Cita APA (7a ed.)
Michelsen, H., & Hartwich, F. (2004). University-based Agricultural Research: A Comparative Study in Sub-Sahara. International Service for National Agricultural Research.
Cita Chicago Style (17a ed.)
Michelsen, Heike, y Frank Hartwich. University-based Agricultural Research: A Comparative Study in Sub-Sahara. International Service for National Agricultural Research, 2004.
Cita MLA (9a ed.)
Michelsen, Heike, y Frank Hartwich. University-based Agricultural Research: A Comparative Study in Sub-Sahara. International Service for National Agricultural Research, 2004.
Precaución: Estas citas no son 100% exactas.