Casis, R. J. (2019). Re-customizing customary international law. The Philippine Yearbook of International Law.
Chicago-viite (17. p.)Casis, Rommel J. "Re-customizing Customary International Law." The Philippine Yearbook of International Law 2019.
MLA-viite (9. p.)Casis, Rommel J. "Re-customizing Customary International Law." The Philippine Yearbook of International Law, 2019.
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