Leonard, A. G. (1968). The lower Niger and its tribes Cass library of African studies / General studies.
Style de citation Chicago (17e éd.)Leonard, Arthur G. "The Lower Niger and Its Tribes." Cass Library of African Studies / General Studies 1968.
Style de citation MLA (8e éd.)Leonard, Arthur G. "The Lower Niger and Its Tribes." Cass Library of African Studies / General Studies, 1968.
Attention : ces citations peuvent ne pas être correctes à 100%.