Citazione APA

United Nations. Special Sahelian Office. (1973). Agriculture: Outline analysis of agriculture problem area : Sudano-Sahelian zone. The Office.

Stile di citazione Chicago

United Nations. Special Sahelian Office. Agriculture: Outline Analysis of Agriculture Problem Area : Sudano-Sahelian Zone. [New York]: The Office, 1973.

Citazione MLA

United Nations. Special Sahelian Office. Agriculture: Outline Analysis of Agriculture Problem Area : Sudano-Sahelian Zone. The Office, 1973.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.