APA (7th ed.) Zitazioa

The International Plant Genethic Resource Institute. (2005). Seed system and crop genetic diversity on-farm. The International Plant Genethic Resource Institute.

Chicago Style (17th ed.) Zitazioa

The International Plant Genethic Resource Institute. Seed System and Crop Genetic Diversity On-farm. Roma: The International Plant Genethic Resource Institute, 2005.

MLA (9th ed.) Zitazioa

The International Plant Genethic Resource Institute. Seed System and Crop Genetic Diversity On-farm. The International Plant Genethic Resource Institute, 2005.