Cita APA (7a ed.)
Bertram, B. (1997). Strenghtening the hearland: Fortifyng system-level. Support of CGIAR strategic research (correspondece).
Cita Chicago Style (17a ed.)
Bertram, B. Strenghtening the Hearland: Fortifyng System-level. Support of CGIAR Strategic Research (correspondece). 1997.
Cita MLA (9a ed.)
Bertram, B. Strenghtening the Hearland: Fortifyng System-level. Support of CGIAR Strategic Research (correspondece). 1997.
Precaución: Estas citas no son 100% exactas.