Cita APA (7a ed.)
Pfeifer, C., Sahlu, D., Abebe, Y., & Omolo, A. (2011). Trainers' manual accompanying "geographic information system: Practical training manual for agricultural research centers". Amhara Regional Agricultural Research Institute, Ethiopia.
Cita Chicago Style (17a ed.)
Pfeifer, Catherine, D. Sahlu, Yenenesh Abebe, y Abisalom Omolo. Trainers' Manual Accompanying "Geographic Information System: Practical Training Manual for Agricultural Research Centers". Amhara Regional Agricultural Research Institute, Ethiopia, 2011.
Cita MLA (9a ed.)
Pfeifer, Catherine, et al. Trainers' Manual Accompanying "Geographic Information System: Practical Training Manual for Agricultural Research Centers". Amhara Regional Agricultural Research Institute, Ethiopia, 2011.
Precaución: Estas citas no son 100% exactas.