APA引文

Vietnam. Ministry of Foreign Affairs. (1970). North Vietnam's policy of aggression and expansion. [Place of publication not identified].

Chicago Style (17th ed.) Citation

Vietnam. Ministry of Foreign Affairs. North Vietnam's Policy of Aggression and Expansion. Saigon: [Place of publication not identified], 1970.

MLA引文

Vietnam. Ministry of Foreign Affairs. North Vietnam's Policy of Aggression and Expansion. [Place of publication not identified], 1970.