United States. Agency for International Development. Sahel Development Project, Louis Berger International, inc, & Club des amis du Sahel. Équipe de travail "transport et infrastructures.". (1977). Inventory of data on the transport infrastructure of the Sahel: Senegal, The Gambia, Mauritania, Mali, Upper Volta, Niger, Chad, Cape Verde Islands. AID.
Chicago Style (17th ed.) CitationUnited States. Agency for International Development. Sahel Development Project, inc Louis Berger International, and Club des amis du Sahel. Équipe de travail "transport et infrastructures.". Inventory of Data on the Transport Infrastructure of the Sahel: Senegal, The Gambia, Mauritania, Mali, Upper Volta, Niger, Chad, Cape Verde Islands. Washington: AID, 1977.
MLA (9th ed.) CitationUnited States. Agency for International Development. Sahel Development Project, et al. Inventory of Data on the Transport Infrastructure of the Sahel: Senegal, The Gambia, Mauritania, Mali, Upper Volta, Niger, Chad, Cape Verde Islands. AID, 1977.