Cita APA (7a ed.)
Pfeifer, C., & Abebe, Y. (2012). Introduction to geographic information systems and the Nile Goblet tool. International Livestock Research Institute.
Cita Chicago Style (17a ed.)
Pfeifer, Catherine, y Yenenesh Abebe. Introduction to Geographic Information Systems and the Nile Goblet Tool. International Livestock Research Institute, 2012.
Cita MLA (9a ed.)
Pfeifer, Catherine, y Yenenesh Abebe. Introduction to Geographic Information Systems and the Nile Goblet Tool. International Livestock Research Institute, 2012.
Precaución: Estas citas no son 100% exactas.