APA (7e ed.) Bronvermelding

Não informado. (2001). Bibliography of Agriculture. U.S. Department of Agriculture.

Chicago (17e ed.) Bronvermelding

Não informado. Bibliography of Agriculture. Washington: U.S. Department of Agriculture, 2001.

MLA (8e ed.) Bronvermelding

Não informado. Bibliography of Agriculture. U.S. Department of Agriculture, 2001.

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