Cita APA (7th ed.)

Philippines. Foreign Service Institute. Research Development Center. (1989). Factbook: U.S. facilities and their alternatives. Foreign Service Institute.

Cita Chicago (17th ed.)

Philippines. Foreign Service Institute. Research Development Center. Factbook: U.S. Facilities and Their Alternatives. Manila: Foreign Service Institute, 1989.

Cita MLA (9th ed.)

Philippines. Foreign Service Institute. Research Development Center. Factbook: U.S. Facilities and Their Alternatives. Foreign Service Institute, 1989.