Gairns, R. (2009). Oxford word skills. Vermilion.
Lua i Stíl Chicago (17ú heag.)Gairns, Ruth. Oxford Word Skills. London: Vermilion, 2009.
Lua MLA (9ú heag.)Gairns, Ruth. Oxford Word Skills. Vermilion, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.