Osman, O. M. (1958). The social and economic development of the Sudan. International Labour Organization.
Style de citation Chicago (17e éd.)Osman, Omer M. The Social and Economic Development of the Sudan. International Labour Organization, 1958.
Style de citation MLA (9e éd.)Osman, Omer M. The Social and Economic Development of the Sudan. International Labour Organization, 1958.
Attention : ces citations peuvent ne pas être correctes à 100%.