APA (7e ed.) Bronvermelding

Não informado. (1967). Farm Building News. American Farm Building Services.

Chicago (17e ed.) Bronvermelding

Não informado. Farm Building News. Iola, Wis: American Farm Building Services, 1967.

MLA (8e ed.) Bronvermelding

Não informado. Farm Building News. American Farm Building Services, 1967.

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