Cita APA (7a ed.)
Ayele, G., Jabbar, M., & Zerfu, E. (2001). Diffussion and adoption of Vertisols technology package in highland Ethiopia. Ethiopian Agricultural Research Organization.
Cita Chicago Style (17a ed.)
Ayele, G., M.A Jabbar, y E. Zerfu. Diffussion and Adoption of Vertisols Technology Package in Highland Ethiopia. Ethiopian Agricultural Research Organization, 2001.
Cita MLA (9a ed.)
Ayele, G., et al. Diffussion and Adoption of Vertisols Technology Package in Highland Ethiopia. Ethiopian Agricultural Research Organization, 2001.
Precaución: Estas citas no son 100% exactas.