Cita APA (7a ed.)
Singh, B., & Ajeigbe, H. A. (2002). Improving cowpea cereals based cropping systems in the dry savannas of West Africa.
Cita Chicago Style (17a ed.)
Singh, B.B, y Hakeem A. Ajeigbe. Improving Cowpea Cereals Based Cropping Systems in the Dry Savannas of West Africa. 2002.
Cita MLA (9a ed.)
Singh, B.B, y Hakeem A. Ajeigbe. Improving Cowpea Cereals Based Cropping Systems in the Dry Savannas of West Africa. 2002.
Precaución: Estas citas no son 100% exactas.