Não informado. (1970). Feed and farm supplier. Association of British Organic Fertilisers.
Lua i Stíl Chicago (17ú heag.)Não informado. Feed and Farm Supplier. London: Association of British Organic Fertilisers, 1970.
Lua MLA (8ú heag.)Não informado. Feed and Farm Supplier. Association of British Organic Fertilisers, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.