Não informado. (1969). Fertiliser, feed and pesticide journal. Association of British Organic Fertilisers.
Lua i Stíl Chicago (17ú heag.)Não informado. Fertiliser, Feed and Pesticide Journal. London: Association of British Organic Fertilisers, 1969.
Lua MLA (8ú heag.)Não informado. Fertiliser, Feed and Pesticide Journal. Association of British Organic Fertilisers, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.