APA (7e ed.) Bronvermelding

Castro, P. A., & Syquia, E. P. (1995). Diplomacy, international law & trade by Filipinos. Philippine Branch of the International Law Associaton.

Chicago (17e ed.) Bronvermelding

Castro, Pacifico A., en Enrique P. Syquia. Diplomacy, International Law & Trade by Filipinos. Metro Manila: Philippine Branch of the International Law Associaton, 1995.

MLA (9e ed.) Bronvermelding

Castro, Pacifico A., en Enrique P. Syquia. Diplomacy, International Law & Trade by Filipinos. Philippine Branch of the International Law Associaton, 1995.