APA-referens (7:e uppl.)

Hewings, M. (1993). Pronunciation Tasks: A course for pre-intermediate students. Cambridge University Press.

Chicago-referens (17:e uppl.)

Hewings, Martin. Pronunciation Tasks: A Course for Pre-intermediate Students. Cambridge: Cambridge University Press, 1993.

MLA-referens (9:e uppl.)

Hewings, Martin. Pronunciation Tasks: A Course for Pre-intermediate Students. Cambridge University Press, 1993.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.