Não informado. (2003). Seed technology. Association of Official Seed Analysts.
Style de citation Chicago (17e éd.)Não informado. Seed Technology. Lincoln, Neb: Association of Official Seed Analysts, 2003.
Style de citation MLA (8e éd.)Não informado. Seed Technology. Association of Official Seed Analysts, 2003.
Attention : ces citations peuvent ne pas être correctes à 100%.