APA (7e ed.) Bronvermelding

Não informado. (1924). Crops and markets. U.S. Department of Agriculture, Agricultural Marketing Service.

Chicago (17e ed.) Bronvermelding

Não informado. Crops and Markets. Washington: U.S. Department of Agriculture, Agricultural Marketing Service, 1924.

MLA (8e ed.) Bronvermelding

Não informado. Crops and Markets. U.S. Department of Agriculture, Agricultural Marketing Service, 1924.

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