International Board for Plant Genetic Resources. Directory of germplasm collections. [editor no identificado].
Cita Chicago Style (17a ed.)International Board for Plant Genetic Resources. Directory of Germplasm Collections. Roma: [editor no identificado].
Cita MLA (8a ed.)International Board for Plant Genetic Resources. Directory of Germplasm Collections. [editor no identificado].
Precaución: Estas citas no son 100% exactas.