Cita APA (7a ed.)
Alemayehu, Y., Wurzinger, M., Tegegne, A., & Zollitsch, W. (2007). Urban and peri- urban farming systems and utilization of the natural resources in the north Ethiopian Highlands.
Cita Chicago Style (17a ed.)
Alemayehu, Y.A, Maria Wurzinger, Azage Tegegne, y W. Zollitsch. Urban and Peri- Urban Farming Systems and Utilization of the Natural Resources in the North Ethiopian Highlands. 2007.
Cita MLA (9a ed.)
Alemayehu, Y.A, et al. Urban and Peri- Urban Farming Systems and Utilization of the Natural Resources in the North Ethiopian Highlands. 2007.
Precaución: Estas citas no son 100% exactas.