APA (7e ed.) Bronvermelding

Não informado. (1974). Foreign agriculture circular. U.S. Department of Agriculture, Foreign Agricultural Service.

Chicago (17e ed.) Bronvermelding

Não informado. Foreign Agriculture Circular. Washington: U.S. Department of Agriculture, Foreign Agricultural Service, 1974.

MLA (8e ed.) Bronvermelding

Não informado. Foreign Agriculture Circular. U.S. Department of Agriculture, Foreign Agricultural Service, 1974.

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