English

1. A) Books
2. Mörth, U. (2004). Soft Law in Governance and Regulation: An Interdisciplinary Analysis. London: Edward Elgar.
3. Hoof, G. J. (1983). Rethinking the Sources of International Law. Deventer, Netherlands: Kluwer Law and Taxation.
4. Friedmann, W. G. (1964). The Changing Structure of International Law. United States: Columbia University.
5. Rajamani, L., & Peel, J. (2020). The Oxford Handbook of International Environmental Law. United Kingdom: Oxford University.
6. Brown Weiss, E. (1997). International Compliance with Nonbinding Accords. United States: American Society of International Law.
7. Kiss, A. C., & Shelton, D. (2004). International Environmental Law. Netherlands: Transnational Publishers.
8. Friedrich, J. (2013). International Environmental “Soft Law”: The Functions and Limits of Nonbinding Instruments in International Environmental Governance and Law. Germany: Springer Berlin Heidelberg.
9. Zovko, I. (2005). International Law-Making for the Environment: A Question of Effectiveness. Finland: University of Joensuu.
10. Yamin, F., & Depledge, J. (2004). The International Climate Change Regime: A Guide to Rules, Institutions and Procedures. Cambridge: Cambridge University.
11. Sands, P., & Peel, J. (2012). Principles of International Environmental Law. Cambridge: Cambridge University.

1. B) Articles & Book Chapters
2. Dupuy, P. M. (1990). Soft law and the international law of the environment. Michigan Journal of International Law, 12, 420–435.
3. Thompson, A. (2011). Efficiency, distribution and the soft law future of the climate regime. In International Policymaking and Agreements Conference, Yale University, 1–26.
4. Sand, P. H. (2008). The evolution of international environmental law. In D. Bodansky et al. (Eds.), The Oxford Handbook of International Environmental Law.
5. Abbott, K. W., & Snidal, D. (2000). Hard and soft law in international governance. International Organization, 54 (3), 421–456.
6. Annabi, A. R., & Jalali, M. (2018). Study the evolution of international environmental law. Amazonia Investiga, (13), 72–81.
7. Ansong, A. (2016). The concept of sovereign equality of states in international law. GIMPA Law Review, 2 (1), 14–34.
8. Clémençon, R. (2008). The Bali road map: A first step on the difficult journey to a post-Kyoto protocol agreement, The Journal of Environment & Development, 17 (1), 70–94.
9. Dimitrov, R. S. (2010). Inside Copenhagen: The state of climate governance. Global Environmental Politics, 10 (2), 18–24.
10. Falkner, R., & Buzan, B. (2019). The emergence of environmental stewardship as a primary institution of global international society. uropean Journal of International Relations, 25 (1), 131–155.
11. Finnemore, M., & Sikkink, K. (1998). International norm dynamics and political change. International Organization, 52 (4), 887–917.
12. Gruchalla-Wesierski, T. (1984). Framework for understanding soft law. McGill Law Journal, 30, 37–88.
13. Hanson, C. A. (2021). Hard and soft law in the Paris Climate Agreement. Student Publications.
14. Koskenniemi, M. (1999). Letter to the editors of the symposium on methods in international law. American Journal of International Law, 93, 351–361.
15. Shelton, D. L. (2008). Soft law. The George Washington University Law School Public and Legal Theory Working Paper Series, No. 322.
16. Olsson, J. A., & Olsson, I. A. (2008). What role for soft law in building and developing the climate change regim? Contributions in Sociology of Law, 203.
17. Raz, J. (2017). The future of state sovereignty. King’s College London Law School Research Paper Series, No. 2017-42.
18. Sheeter, S., Snape III, W., & Hunter, D. (2023). Prioritizing regional wildlife conservation by rejuvenating the Western Hemisphere Convention on Nature Protection. Sustainable Development Law & Policy.
19. Skjærseth, J. B., Stokke, O. S., & Wettestad, J. (2006). Soft law, hard law, and effective implementation of international environmental norms. Global Environmental Politics, 6 (3), 104–120.
20. Vihma, A. (2012). Analyzing soft law and hard law in climate change. In Climate Change and the Law (pp. 143–164). Dordrecht: Springer Netherlands.
21. Weiss, E. B. (2011). The evolution of international environmental law. Japanese Yearbook of International Law, 54, 1–27.
22. Weiss, E. B. (1997). International compliance with nonbinding accords (No Title).

1. C) Thesis
2. Ellis, J. (2001). Soft law as topos: The role of principles of soft law in the development of international environmental law. Doctor of Civil Law Thesis, Faculty of Law, McGill University.

1. D) Judgment
2. International Court of Justice (1997). Gabčíkovo–Nagymaros Project (Hungary/Slovakia), Judgment, ICJ Reports 1997, p. 7, para. 140.

References In Persian:

1. A) Articles
2. Abdollahi, M., & Abbasi, A. (2018). Phenomenology of the Formation of Soft Law within the Framework of the International Legal Normative System. Legal Research Quarterly, 21(82), 107-130 (In Persian).
3. Jafari, A., & Tootoonchian, M. (2021). Transition from Hard Law to Soft Law in International Law with Emphasis on the Paris Climate Agreement. Economic Jurisprudence Studies, 239-261 (In Persian).
4. Khazai, H. (2023). Analysis of Article 6 of the Environmental Protection and Rehabilitation Law: Challenges and Solutions. Legal Civilization, 6th Volume (In Persian).
5. Pourhashemi, S. A., & Moosavi, M. (2011). International Responsibility of States in Environmental Law. Private and Criminal Law Research, 15(7), 75-92 (In Persian).
6. Shiravi, A. H., Vakili Moghadam, M. H. (2015). Soft Law. Comparative Law Studies, 6 (1), 251-276 (In Persian).

1. B) Thesis
2. Khazaeil, B. (2012). The Role of Soft Law and Framework Conventions in the Development of International Environmental Law. Master's Dissertation. Supervised by Mohsen Abdollahi. Tehran: Shahid Beheshti University, Faculty of Law (In Persian).
3. Shakeryan, S. (2012). The Impact of Soft Law on Sources of International Law. Doctoral Thesis. Supervised by Hedayatollah Falsafi. Tehran: Shahid Beheshti University, Faculty of Law (In Persian).