APA (7e ed.) Bronvermelding

Não informado. (1969). Fertiliser, feed and pesticide journal. Association of British Organic Fertilisers.

Chicago (17e ed.) Bronvermelding

Não informado. Fertiliser, Feed and Pesticide Journal. London: Association of British Organic Fertilisers, 1969.

MLA (8e ed.) Bronvermelding

Não informado. Fertiliser, Feed and Pesticide Journal. Association of British Organic Fertilisers, 1969.

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