Cita APA (7a ed.)
Manyong, V. (2003). Economic research at IITA for the improvement of agriculture in the subhumid and humid zones of West Africa.
Cita Chicago Style (17a ed.)
Manyong, Victor. Economic Research at IITA for the Improvement of Agriculture in the Subhumid and Humid Zones of West Africa. 2003.
Cita MLA (9a ed.)
Manyong, Victor. Economic Research at IITA for the Improvement of Agriculture in the Subhumid and Humid Zones of West Africa. 2003.
Precaución: Estas citas no son 100% exactas.