Cita APA (7a ed.)
Onwueme, I., & Sinha, T. (1991). Field crop production in tropical Africa. Technical Centre for Agricultural and Rural Cooperation.
Cita Chicago Style (17a ed.)
Onwueme, I.C, y T.D Sinha. Field Crop Production in Tropical Africa. Technical Centre for Agricultural and Rural Cooperation, 1991.
Cita MLA (9a ed.)
Onwueme, I.C, y T.D Sinha. Field Crop Production in Tropical Africa. Technical Centre for Agricultural and Rural Cooperation, 1991.
Precaución: Estas citas no son 100% exactas.