APA (7e ed.) Bronvermelding

Não informado. (1925). Proceedings of the International Seed Testing Association. International Seed Testing Association.

Chicago (17e ed.) Bronvermelding

Não informado. Proceedings of the International Seed Testing Association. Vollebekk, Noruega: International Seed Testing Association, 1925.

MLA (8e ed.) Bronvermelding

Não informado. Proceedings of the International Seed Testing Association. International Seed Testing Association, 1925.

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