APA (7e ed.) Bronvermelding

Não informado. (1942). National food situation. U.S. Department of Agriculture.

Chicago (17e ed.) Bronvermelding

Não informado. National Food Situation. Washington: U.S. Department of Agriculture, 1942.

MLA (8e ed.) Bronvermelding

Não informado. National Food Situation. U.S. Department of Agriculture, 1942.

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