APA (7e ed.) Bronvermelding

Não informado. (1968). Farm buildings digest. Farm Buildings Information Centre.

Chicago (17e ed.) Bronvermelding

Não informado. Farm Buildings Digest. Kenilworth, Inglaterra: Farm Buildings Information Centre, 1968.

MLA (8e ed.) Bronvermelding

Não informado. Farm Buildings Digest. Farm Buildings Information Centre, 1968.

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