APA引文

United States. (1966). New directions in the Soviet economy: The human resources. Washington: U.S. Govt. Print. Off.

Trích dẫn kiểu Chicago

United States. New Directions in the Soviet Economy: The Human Resources. Washington: U.S. Govt. Print. Off, 1966.

MLA引文

United States. New Directions in the Soviet Economy: The Human Resources. Washington: U.S. Govt. Print. Off, 1966.

警告：這些引文格式不一定是100％准確.