Jakeman, V., Wyatt, R., & Brook-Hart, G. (2013). Complete IELTS Bands 4-5: Student's book with answers (3. printing.). Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Jakeman, Vanessa, Rawdon Wyatt, agus Guy Brook-Hart. Complete IELTS Bands 4-5: Student's Book with Answers. 3. printing. Cambridge: Cambridge University Press, 2013.
Lua MLA (9ú heag.)Jakeman, Vanessa, et al. Complete IELTS Bands 4-5: Student's Book with Answers. 3. printing. Cambridge University Press, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.