Cita APA (7a ed.)
Walker, T., & Alwang, J. (2015). Crop Improvement, Adoption and Impact of Improved Varieties in Food Crops in Sub-Saharan Africa. CAB International.
Cita Chicago Style (17a ed.)
Walker, T.S, y J. Alwang. Crop Improvement, Adoption and Impact of Improved Varieties in Food Crops in Sub-Saharan Africa. CAB International, 2015.
Cita MLA (9a ed.)
Walker, T.S, y J. Alwang. Crop Improvement, Adoption and Impact of Improved Varieties in Food Crops in Sub-Saharan Africa. CAB International, 2015.
Precaución: Estas citas no son 100% exactas.