APA (7e ed.) Bronvermelding

Não informado. (1971). British farmer and stockbreeder. National Farmers Union.

Chicago (17e ed.) Bronvermelding

Não informado. British Farmer and Stockbreeder. London: National Farmers Union, 1971.

MLA (8e ed.) Bronvermelding

Não informado. British Farmer and Stockbreeder. National Farmers Union, 1971.

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