Foreign Service Institute. (1980). Digest of Philippine foreign policy 1972-1979. Department of Foreign Service Institute.
Cita Chicago (17th ed.)Foreign Service Institute. Digest of Philippine Foreign Policy 1972-1979. Manila: Department of Foreign Service Institute, 1980.
Cita MLA (9th ed.)Foreign Service Institute. Digest of Philippine Foreign Policy 1972-1979. Department of Foreign Service Institute, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.