Cita APA (7a ed.)
Chirwa, R. (2004). Regional bean variety testing in southern Africa. International Center for Tropical Agriculture.
Cita Chicago Style (17a ed.)
Chirwa, Rowland. Regional Bean Variety Testing in Southern Africa. International Center for Tropical Agriculture, 2004.
Cita MLA (9a ed.)
Chirwa, Rowland. Regional Bean Variety Testing in Southern Africa. International Center for Tropical Agriculture, 2004.
Precaución: Estas citas no son 100% exactas.