APA引文

United States. Central Intelligence Agency. (1977). Communist aid to the less developed countries of the free world, 1976. Central Intelligence Agency.

Chicago Style (17th ed.) Citation

United States. Central Intelligence Agency. Communist Aid to the Less Developed Countries of the Free World, 1976. [Washington]: Central Intelligence Agency, 1977.

MLA引文

United States. Central Intelligence Agency. Communist Aid to the Less Developed Countries of the Free World, 1976. Central Intelligence Agency, 1977.

警告：這些引文格式不一定是100％准確.