APA (7e ed.) Bronvermelding

Não informado. (2003). Seed technology. Association of Official Seed Analysts.

Chicago (17e ed.) Bronvermelding

Não informado. Seed Technology. Lincoln, Neb: Association of Official Seed Analysts, 2003.

MLA (8e ed.) Bronvermelding

Não informado. Seed Technology. Association of Official Seed Analysts, 2003.

Let op: Deze citaties zijn niet altijd 100% accuraat.