APA (7e ed.) Bronvermelding

Não informado. (1970). Feed and farm supplier. Association of British Organic Fertilisers.

Chicago (17e ed.) Bronvermelding

Não informado. Feed and Farm Supplier. London: Association of British Organic Fertilisers, 1970.

MLA (8e ed.) Bronvermelding

Não informado. Feed and Farm Supplier. Association of British Organic Fertilisers, 1970.

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