APA (7e ed.) Bronvermelding

Não informado. (1974). Agriculture and Environment. Elsevier Scientific.

Chicago (17e ed.) Bronvermelding

Não informado. Agriculture and Environment. Amsterdam: Elsevier Scientific, 1974.

MLA (8e ed.) Bronvermelding

Não informado. Agriculture and Environment. Elsevier Scientific, 1974.

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