APA (7e ed.) Bronvermelding

Não informado. (1987). Weed technology. Weed Science Society of America.

Chicago (17e ed.) Bronvermelding

Não informado. Weed Technology. Champaign, Ill: Weed Science Society of America, 1987.

MLA (8e ed.) Bronvermelding

Não informado. Weed Technology. Weed Science Society of America, 1987.

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