Philippine Society of International Law, University of the Philippines Law Center, & University of the Philippines Legal Resources Center. (1969). The Philippine yearbook of international law. Philippine Society of International Law.
Chicago Style (17. basım) AtıfPhilippine Society of International Law, University of the Philippines Law Center, ve University of the Philippines Legal Resources Center. The Philippine Yearbook of International Law. Manila: Philippine Society of International Law, 1969.
MLA (9th ed.) AtıfPhilippine Society of International Law, et al. The Philippine Yearbook of International Law. Philippine Society of International Law, 1969.
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