Cita APA (7a ed.)
Echeverría, R. G. (1990). Methods for Diagnosing Research System Constraints and Assessing the Impact of Agricultural Research Volume II: Assessing the Impact of Agricultural Research. International Service for National Agricultural Research.
Cita Chicago Style (17a ed.)
Echeverría, Ruben G. Methods for Diagnosing Research System Constraints and Assessing the Impact of Agricultural Research Volume II: Assessing the Impact of Agricultural Research. International Service for National Agricultural Research, 1990.
Cita MLA (9a ed.)
Echeverría, Ruben G. Methods for Diagnosing Research System Constraints and Assessing the Impact of Agricultural Research Volume II: Assessing the Impact of Agricultural Research. International Service for National Agricultural Research, 1990.
Precaución: Estas citas no son 100% exactas.