A) Books
1. Andrew, Christopher; Aldrich, Richard J., & Wark, Wesley K. (2009). Secret Intelligence: A Reader, USA, Routledge Publishing.
2. Garner, Bryan A. (2009), Black's Law Dictionary, 9th edition, USA, Thomson West Publishing.
3. Johnson, Loch K. (2006), Handbook of Intelligence Studies, USA, Routledge Publishing.
4. Johnson, Loch K. (2007), Strategic Intelligence: Understanding the hidden side of government, USA, Praeger Security International.
5. Moore, Greg (2014), Encyclopedia of U.S. Intelligence, USA, Auerbach Publications.
6. Scott, L.V., Jackson, Peter (2004), Understanding Intelligence in the Twenty-First Century (Studies in Intelligence), USA, Routledge Publishing.
7. Sharp Sr., Walter G. (1999), Cyberspace and the Use of Force, Ageis Research Corp.
8. Smith Jr, W. Thomas (2003), Encyclopedia of the Central Intelligence Agency, USA, InfoBase Publishing.
9. Thomas, Ann Van Wynen (1972), The concept of aggression in international law, USA, Southern Methodist University Press.
10. Treverton, Gregory F. (1988), Covert Action: The CIA and the Limits of American Intervention in the Postwar World, UK, I.B. Tauris & Co Ltd.
11. Wright, Quincy (1962), Essays on Espionage and International Law, Columbus, Ohio State University Press.
B) Articles
12. Baker, Christopher D. (2004), "Tolerance of International Espionage: A Functional Approach", American University International Law Review, Vol. 19, Issue 5, pp. 1091-1114.
13. Beim, Jared (2018), "Enforcing a Prohibition on International Espionage", Chicago Journal of International Law, Vol. 18, Issue 2, pp. 647-672.
14. Chesterman, Simon (2006), "The Spy Who Came in from the Cold War: Intelligence and International Law", Michigan Journal of International Law, Vol. 27, Issue 4, pp. 1071-1130.
15. Deeks, Ashley S. (2016), "Confronting and Adapting: Intelligence Agencies and International Law", Virginia Law Review, Vol. 102, Issue 3, pp. 599-686.
16. Demarest, Geoffrey B. (1996), "Espionage in International Law", Denver Journal of International Law and Policy, Vol. 24, Issue 2, pp. 321-348.
17. Fleck, Dieter (2007), "Individual and State Responsibility for Intelligence Gathering", Michigan Journal of International Law, Vol. 28, Issue 3, pp. 687-710.
18. Forcese, Craig (2011), "Spies without Borders: International Law and Intelligence Collection", Journal of National Security Law & Policy, Vol. 5, Issue 1, pp. 179-210.
19. Forcese, Craig (2016), "Pragmatism and Principle: Intelligence Agencies and International Law", Virginia Law Review Online, Vol. 102, pp. 67-84.
20. Goldsmith, Jack (2013), "How Cyber Changes the Law of War", European Journal of International Law, Vol. 24, Issue 1, pp. 129-138.
21. Hathaway, Haley (2012), "The Law of Cyber-Attack", California Law Review, Vol. 100, Issue 4, pp. 817-886.
22. Henderson, Ian (2011), "International Law Concerning the Status and Marking of Remotely Piloted Aircraft", Denver Journal of International Law and Policy, Vol. 39, Issue 4, pp. 615-628.
23. Huddleston, Angela (2010), "THE RESPONSIBILITY GAP: THE CIA, COVERT ACTIONS AND VIOLATIONS OF INTERNATIONAL LAW", Available at: http://works.bepress.com/angela_huddleston/1/.
24. Jackamo, Thomas J. III (1992), "From the Cold War to the New Multilateral World Order: The Evolution of Covert Operations and the Customary International Law of Non-Intervention", Virginia Journal of International Law, Vol. 32, Issue 4, pp. 929-978.
25. Jackamo, Thomas J. III (1992), "From the Cold War to the New Multilateral World Order: The Evolution of Covert Operations and the Customary International Law of Non-Intervention", Virginia Journal of International Law, Vol. 32, Issue 4, pp. 929-978.
26. Kilovaty, Ido (2016), "World Wide Web of Exploitations - The Case of Peacetime Cyber Espionage Operations under International Law: Towards a Contextual Approach", Columbia Science and Technology Law Review, Vol. 18, Issue 1, pp. 42-78.
27. La Raza L.J (1984), "The Legality of Covert Action under Contemporary International Law", La Raza Law Journal, Vol. 1, Issue 2, pp. 139-167.
28. Navarrete, Inaki, Buchan, Russell (2019), "Out of the Legal Wilderness: Peacetime Espionage, International Law and the Existence of Customary Exceptions", Cornell International Law Journal, Vol. 51, Issue 4, pp. 897-954.
29. Pun, Darien (2017), "Rethinking Espionage in the Modern Era", Chicago Journal of International Law, Vol. 18, Issue 1, pp. 353-[ii].
30. Raboin, Bradley (2011), "Corresponding Evolution: International Law and the Emergence of Cyber Warfare", Journal of the National Association of Administrative Law Judiciary, Vol. 31, Issue 2, pp. 602-668.
31. Radsan, A. John (2007), "The Unresolved Equation of Espionage and International Law", Michigan Journal of International Law, Vol. 28, Issue 3, pp. 595-624.
32. Scott, Roger D. (1999), "Territorially Intrusive Intelligence Collection and International Law", Air Force Law Review, Vol. 46, pp. 217-226.
33. Sulmasy, Glenn, Yoo, John (2007), "Counterintuitive: Intelligence Operations and International Law", Michigan Journal of International Law, Vol. 28, Issue 3, pp. 625-638.
34. Williams, Robert D. (2011), "(Spy) Game Change: Cyber Networks, Intelligence Collection, and Covert Action", George Washington Law Review, Vol. 79, Issue 4, pp. 1162-1200.
C) Cases
35. ICJ Report (1980), United States Diplomatic and Consular Staff in Tehran, (United States of America v. Iran).
36. ICJ Report (1986), Military and Paramilitary Activities in and against Nicaragua, (Nicaragua v. United States of America).
37. ICJ Report (1996), Legality of the Threat or Use of Nuclear Weapons, Advisory Opinion.
38. ICJ Report (2005), Armed Activities on the Territory of the Congo, (Democratic Republic of the Congo v. Uganda).
39. ICJ Report (2014), Questions relating to the Seizure and Detention of Certain Documents and Data, (Timor-Leste v. Australia).
40. Permanent Court of International Justice [PCIJ] (1927), The Case of the S.S. Lotus, (France v Turkey).
41. Prosecutor v. Dusko Tadic (1999), International Criminal Tribunal for the former Yugoslavia (ICTY).
D) Documents
41. Draft articles on Responsibility of States for internationally wrongful acts (2001), adopted by the International Law Commission at its fifty-third session.
42. Treaty on Principles Governing the Activities of States in the Exploration and Use of Outer Space, including the Moon and Other Celestial Bodies (January 1967), Entry into force:October 1967.
43. Convention on Civil Aviation (Chicago Convention) (7 December 1944), Entry into force: 4 April 1947.
44. General Assembly, (1 December 1949), Essentials of peace, (A/RES/290(IV)).
45. Vienna Convention on Diplomatic Relations (18 April 1961), Entry into force: 24 April 1964.
46. General Assembly, (19 December 1966), Status of the implementation of the Declaration on the Inadmissibility of Intervention in the Domestic Affairs of States and the Protection of their Independence and Sovereignty, (A/RES/2225(XXI)).
47. General Assembly, (24 October 1970), Declaration on Principles of International Law concerning Friendly Relations and Co-operation among States in accordance with the Charter of the United Nations, (A/RES/2625(XXV)).
48. General Assembly, (14 December 1974),
Definition of Aggression, (A/RES/
3314(XXIX)).
49. General Assembly, (9 December 1981), Declaration on the Inadmissibility of Intervention and Interference in the Internal Affairs of States, (A/RES/36/103).
50. Convention on the Law of the Sea (10 December 1982), Entry into force: 16 November 1994.
51. International Covenant on Civil and Political Rights (16 December 1966), entered into force: 23 March 1976.
E) Sites
54. Biddle, Sam (Aug. 19, 2016), The NSA Leak is Real, Snowden Documents Confirm: https://theintercept.com/2016/08/19/the-nsa-was-hacked-snowden-documents-confirm.
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