United Nations Educational, Scientific and Cultural Organization, & International Coordinating Council of the Programme on Man and the Biosphere. (1975). The Sahel: Ecological approaches to land use. Unesco Press.
Style de citation Chicago (17e éd.)United Nations Educational, Scientific and Cultural Organization, et International Coordinating Council of the Programme on Man and the Biosphere. The Sahel: Ecological Approaches to Land Use. Paris: Unesco Press, 1975.
Style de citation MLA (9e éd.)United Nations Educational, Scientific and Cultural Organization, et International Coordinating Council of the Programme on Man and the Biosphere. The Sahel: Ecological Approaches to Land Use. Unesco Press, 1975.
Attention : ces citations peuvent ne pas être correctes à 100%.