APA (7e ed.) Bronvermelding

Castro, P. A., & Castro, P. A. (1985). Agreements on United States military facilities in Philippine military bases: 1947-1985. Foreign Service Institute.

Chicago (17e ed.) Bronvermelding

Castro, Pacifico A., en Pacifico A. Castro. Agreements on United States Military Facilities in Philippine Military Bases: 1947-1985. Manila: Foreign Service Institute, 1985.

MLA (9e ed.) Bronvermelding

Castro, Pacifico A., en Pacifico A. Castro. Agreements on United States Military Facilities in Philippine Military Bases: 1947-1985. Foreign Service Institute, 1985.