Não informado. (1919). Fertiliser, feeding stuffs and farm supplies journal. Association of British Organic Fertilisers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Fertiliser, Feeding Stuffs and Farm Supplies Journal. London: Association of British Organic Fertilisers, 1919.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Fertiliser, Feeding Stuffs and Farm Supplies Journal. Association of British Organic Fertilisers, 1919.
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