Cita APA (7a ed.)
Kumsa, T., Madsen, J., & Tegegne, A. (2004). Manure production, handling and use around Holetta Agricultural Research Center. Ethiopian Society of Animal Production.
Cita Chicago Style (17a ed.)
Kumsa, T., J.O Madsen, y Azage Tegegne. Manure Production, Handling and Use Around Holetta Agricultural Research Center. Ethiopian Society of Animal Production, 2004.
Cita MLA (9a ed.)
Kumsa, T., et al. Manure Production, Handling and Use Around Holetta Agricultural Research Center. Ethiopian Society of Animal Production, 2004.
Precaución: Estas citas no son 100% exactas.