Cita APA (7a ed.)
Astatke, A., & Gebresenbet, G. (1998). Draft animal power and its research in Ethiopia.
Cita Chicago Style (17a ed.)
Astatke, A., y G. Gebresenbet. Draft Animal Power and Its Research in Ethiopia. 1998.
Cita MLA (9a ed.)
Astatke, A., y G. Gebresenbet. Draft Animal Power and Its Research in Ethiopia. 1998.
Precaución: Estas citas no son 100% exactas.