APA (7e ed.) Bronvermelding

Não informado. (1973). Seed science and technology. International Seed Testing Association.

Chicago (17e ed.) Bronvermelding

Não informado. Seed Science and Technology. Zurich, Suíça: International Seed Testing Association, 1973.

MLA (8e ed.) Bronvermelding

Não informado. Seed Science and Technology. International Seed Testing Association, 1973.

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