APA引文

United Nations. Dept. of Public Information. (1990). The world economy: A global challenge. United Nations Dept. of Public Information.

Chicago Style (17th ed.) Citation

United Nations. Dept. of Public Information. The World Economy: A Global Challenge. New York: United Nations Dept. of Public Information, 1990.

MLA引文

United Nations. Dept. of Public Information. The World Economy: A Global Challenge. United Nations Dept. of Public Information, 1990.

警告：這些引文格式不一定是100％准確.