APA (7e ed.) Bronvermelding

Não informado. (1961). Agricultural Economic Report. U.S. Department of Agriculture, Economics, Statistics and Cooperative Service.

Chicago (17e ed.) Bronvermelding

Não informado. Agricultural Economic Report. Washington: U.S. Department of Agriculture, Economics, Statistics and Cooperative Service, 1961.

MLA (8e ed.) Bronvermelding

Não informado. Agricultural Economic Report. U.S. Department of Agriculture, Economics, Statistics and Cooperative Service, 1961.

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