APA (7e ed.) Bronvermelding

Não informado. (1970). Farm chemicals and crop life. Meister Publishing.

Chicago (17e ed.) Bronvermelding

Não informado. Farm Chemicals and Crop Life. Willoughby, Ohio: Meister Publishing, 1970.

MLA (8e ed.) Bronvermelding

Não informado. Farm Chemicals and Crop Life. Meister Publishing, 1970.

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