Cita APA (7a ed.)
Heuver, M. (1981). Plant breeders' rights and international agricultural research centres.
Cita Chicago Style (17a ed.)
Heuver, M. Plant Breeders' Rights and International Agricultural Research Centres. 1981.
Cita MLA (9a ed.)
Heuver, M. Plant Breeders' Rights and International Agricultural Research Centres. 1981.
Precaución: Estas citas no son 100% exactas.