APA (7e ed.) Bronvermelding

Não informado. (1953). World agricultural situation. U.S. Department of Agriculture, Economic Research Service.

Chicago (17e ed.) Bronvermelding

Não informado. World Agricultural Situation. Washington: U.S. Department of Agriculture, Economic Research Service, 1953.

MLA (8e ed.) Bronvermelding

Não informado. World Agricultural Situation. U.S. Department of Agriculture, Economic Research Service, 1953.

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