Tayfoor S. Susanne. (2007). Common mistakes at First Certificate ... and how to avoid them (6th ed.). Cambridge, Cambridge University Press, 2007.
Lua i Stíl Chicago (17ú heag.)Tayfoor S. Susanne. Common Mistakes at First Certificate ... and How to Avoid Them. 6th ed. Cambridge, Cambridge University Press, 2007, 2007.
Lua MLA (9ú heag.)Tayfoor S. Susanne. Common Mistakes at First Certificate ... and How to Avoid Them. 6th ed. Cambridge, Cambridge University Press, 2007, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.