O'Dell, F. (1996). CAE writing skills. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)O'Dell, Felicity. CAE Writing Skills. Cambridge: Cambridge University Press, 1996.
Lua MLA (8ú heag.)O'Dell, Felicity. CAE Writing Skills. Cambridge University Press, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.