Cita APA (7a ed.)
Manyong, V., & Dixon, A. (2003). Constraint and opportunities of savanna systems for improved agricultural productivity and food security in West and Central Africa.
Cita Chicago Style (17a ed.)
Manyong, Victor, y A. Dixon. Constraint and Opportunities of Savanna Systems for Improved Agricultural Productivity and Food Security in West and Central Africa. 2003.
Cita MLA (9a ed.)
Manyong, Victor, y A. Dixon. Constraint and Opportunities of Savanna Systems for Improved Agricultural Productivity and Food Security in West and Central Africa. 2003.
Precaución: Estas citas no son 100% exactas.