Não informado. (1976). Quick bibliography series. National Agricultural Library, Department of Agriculture.
Lua i Stíl Chicago (17ú heag.)Não informado. Quick Bibliography Series. Beltsville, Md: National Agricultural Library, Department of Agriculture, 1976.
Lua MLA (8ú heag.)Não informado. Quick Bibliography Series. National Agricultural Library, Department of Agriculture, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.