Não informado. (1919). Fertiliser, feeding stuffs and farm supplies journal. Association of British Organic Fertilisers.
Chicago-Zitierstil (17. Ausg.)Não informado. Fertiliser, Feeding Stuffs and Farm Supplies Journal. London: Association of British Organic Fertilisers, 1919.
MLA-Zitierstil (8. Ausg.)Não informado. Fertiliser, Feeding Stuffs and Farm Supplies Journal. Association of British Organic Fertilisers, 1919.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.