Cita APA (7a ed.)
Asiedu, R. (2003). Yams in West Africa: Production and collaborative research.
Cita Chicago Style (17a ed.)
Asiedu, Robert. Yams in West Africa: Production and Collaborative Research. 2003.
Cita MLA (9a ed.)
Asiedu, Robert. Yams in West Africa: Production and Collaborative Research. 2003.
Precaución: Estas citas no son 100% exactas.