Não informado. (1969). Fertiliser, feed and pesticide journal. Association of British Organic Fertilisers.
Style de citation Chicago (17e éd.)Não informado. Fertiliser, Feed and Pesticide Journal. London: Association of British Organic Fertilisers, 1969.
Style de citation MLA (8e éd.)Não informado. Fertiliser, Feed and Pesticide Journal. Association of British Organic Fertilisers, 1969.
Attention : ces citations peuvent ne pas être correctes à 100%.