Cita APA (7a ed.)
Spencer, D. (1991). Farming systems research strategy for the development of inland valleys for increased food production in West Africa.
Cita Chicago Style (17a ed.)
Spencer, D. Farming Systems Research Strategy for the Development of Inland Valleys for Increased Food Production in West Africa. 1991.
Cita MLA (9a ed.)
Spencer, D. Farming Systems Research Strategy for the Development of Inland Valleys for Increased Food Production in West Africa. 1991.
Precaución: Estas citas no son 100% exactas.