Jakeman V. Vanessa & McDowell C. Clare. (2001). Insight into Ielts. Cambridge, Cambridge University Press, 2001.
Lua i Stíl Chicago (17ú heag.)Jakeman V. Vanessa agus McDowell C. Clare. Insight into Ielts. Cambridge, Cambridge University Press, 2001, 2001.
Lua MLA (9ú heag.)Jakeman V. Vanessa agus McDowell C. Clare. Insight into Ielts. Cambridge, Cambridge University Press, 2001, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.