Cita APA (7a ed.)
Kristjanson, P. M., Okike, I., Tarawali, S. A., Singh, B., & Manyong, V. M. (2005). Farmers' perceptions of benefits and factors affecting the adoption of improved dual-purpose cowpea in the dry savannas of Nigeria. Wiley.
Cita Chicago Style (17a ed.)
Kristjanson, Patricia M., Iheanacho Okike, Shirley A. Tarawali, B.B Singh, y Victor M. Manyong. Farmers' Perceptions of Benefits and Factors Affecting the Adoption of Improved Dual-purpose Cowpea in the Dry Savannas of Nigeria. Wiley, 2005.
Cita MLA (9a ed.)
Kristjanson, Patricia M., et al. Farmers' Perceptions of Benefits and Factors Affecting the Adoption of Improved Dual-purpose Cowpea in the Dry Savannas of Nigeria. Wiley, 2005.
Precaución: Estas citas no son 100% exactas.