Cita APA (7th ed.)

Perfecto, I. T. (1983). Foreign policy digest, 1972-1983. Foreign Service Institute.

Cita Chicago (17th ed.)

Perfecto, Isidoro T. Foreign Policy Digest, 1972-1983. [Manila]: Foreign Service Institute, 1983.

Cita MLA (9th ed.)

Perfecto, Isidoro T. Foreign Policy Digest, 1972-1983. Foreign Service Institute, 1983.