Hashemi L. Louise & Murphy R. Raymond. (2006). English Grammar in Use Supplementary Exercises: With answers (New Edition.). New York, Cambridge University Press, 2006.
Lua i Stíl Chicago (17ú heag.)Hashemi L. Louise agus Murphy R. Raymond. English Grammar in Use Supplementary Exercises: With Answers. New Edition. New York, Cambridge University Press, 2006, 2006.
Lua MLA (9ú heag.)Hashemi L. Louise agus Murphy R. Raymond. English Grammar in Use Supplementary Exercises: With Answers. New Edition. New York, Cambridge University Press, 2006, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.