Kelm, A. (2006). Errors in English. Koenig Books.
Lua i Stíl Chicago (17ú heag.)Kelm, Annette. Errors in English. London: Koenig Books, 2006.
Lua MLA (8ú heag.)Kelm, Annette. Errors in English. Koenig Books, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.