Cita APA (7a ed.)
Astatke, A., & Jabbar, M. (2000). Low cost animal drawn implements for Vertisol management and strategies for land use intensification. American Association of Engineering Societie.
Cita Chicago Style (17a ed.)
Astatke, A., y M.A Jabbar. Low Cost Animal Drawn Implements for Vertisol Management and Strategies for Land Use Intensification. American Association of Engineering Societie, 2000.
Cita MLA (9a ed.)
Astatke, A., y M.A Jabbar. Low Cost Animal Drawn Implements for Vertisol Management and Strategies for Land Use Intensification. American Association of Engineering Societie, 2000.
Precaución: Estas citas no son 100% exactas.