Hewings, M. (1993). Pronunciation Tasks: A course for pre-intermediate students. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Hewings, Martin. Pronunciation Tasks: A Course for Pre-intermediate Students. Cambridge: Cambridge University Press, 1993.
Lua MLA (9ú heag.)Hewings, Martin. Pronunciation Tasks: A Course for Pre-intermediate Students. Cambridge University Press, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.