APA
Philippines. Foreign Service Institute, . (1988). Papers on Kampuchean problem. Manila: Foreign Service Institute.
Chicago
Philippines. Foreign Service Institute, . 1988. Papers on Kampuchean problem. Manila: Foreign Service Institute.
Harvard
Philippines. Foreign Service Institute, . (1988). Papers on Kampuchean problem. Manila: Foreign Service Institute.
MLA
Philippines. Foreign Service Institute, . Papers on Kampuchean problem. Manila: Foreign Service Institute. 1988.