APA (7e ed.) Bronvermelding

Não informado. (2000). Agricultural library notes. U.S. Department of Agriculture.

Chicago (17e ed.) Bronvermelding

Não informado. Agricultural Library Notes. Washington: U.S. Department of Agriculture, 2000.

MLA (8e ed.) Bronvermelding

Não informado. Agricultural Library Notes. U.S. Department of Agriculture, 2000.

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