APA
Consultative Group on International Agricultural Research, . (1989). Política del CGIAR en materia de recursos fitogenéticos. Washington, D.C: International Board for Plant Genetic Resources.
Chicago
Consultative Group on International Agricultural Research, . 1989. Política del CGIAR en materia de recursos fitogenéticos. Washington, D.C: International Board for Plant Genetic Resources.
Harvard
Consultative Group on International Agricultural Research, . (1989). Política del CGIAR en materia de recursos fitogenéticos. Washington, D.C: International Board for Plant Genetic Resources.
MLA
Consultative Group on International Agricultural Research, . Política del CGIAR en materia de recursos fitogenéticos. Washington, D.C: International Board for Plant Genetic Resources. 1989.