United Nations. Special Sahelian Office. (1973). Agriculture: Outline analysis of agriculture problem area : Sudano-Sahelian zone. The Office.
Style de citation Chicago (17e éd.)United Nations. Special Sahelian Office. Agriculture: Outline Analysis of Agriculture Problem Area : Sudano-Sahelian Zone. [New York]: The Office, 1973.
Style de citation MLA (8e éd.)United Nations. Special Sahelian Office. Agriculture: Outline Analysis of Agriculture Problem Area : Sudano-Sahelian Zone. The Office, 1973.
Attention : ces citations peuvent ne pas être correctes à 100%.