Hewings, M. (1995). Pronunciation Tasks: A Course for Pre-Intermediate Learners. Cambridge: Cambridge University.
Chicago Style aipamenaHewings, Martin. Pronunciation Tasks: A Course for Pre-Intermediate Learners. Cambridge: Cambridge University, 1995.
MLA aipamenaHewings, Martin. Pronunciation Tasks: A Course for Pre-Intermediate Learners. Cambridge: Cambridge University, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.