APA (7e ed.) Bronvermelding
United Nations. Dept. of Public Information. (1990). The world economy: A global challenge. United Nations Dept. of Public Information.
Chicago (17e ed.) Bronvermelding
United Nations. Dept. of Public Information. The World Economy: A Global Challenge. New York: United Nations Dept. of Public Information, 1990.
MLA (9e ed.) Bronvermelding
United Nations. Dept. of Public Information. The World Economy: A Global Challenge. United Nations Dept. of Public Information, 1990.
Let op: Deze citaties zijn niet altijd 100% accuraat.