United Nations. Special Sahelian Office. (1974). Outline analysis for mining sector: Sudano-Sahelian region. s.n.].
Style de citation Chicago (17e éd.)United Nations. Special Sahelian Office. Outline Analysis for Mining Sector: Sudano-Sahelian Region. [s.l.: s.n.], 1974.
Style de citation MLA (8e éd.)United Nations. Special Sahelian Office. Outline Analysis for Mining Sector: Sudano-Sahelian Region. s.n.], 1974.
Attention : ces citations peuvent ne pas être correctes à 100%.