APA (7e ed.) Bronvermelding

Não informado. Production Research Report. U.S. Department of Agriculture.

Chicago (17e ed.) Bronvermelding

Não informado. Production Research Report. Washington: U.S. Department of Agriculture.

MLA (8e ed.) Bronvermelding

Não informado. Production Research Report. U.S. Department of Agriculture.

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