Collins, B. (2003). Practical phonetics and phonology: A resource book for students. London: Routledge.
Chicago Style aipamenaCollins, Beverley. Practical Phonetics and Phonology: A Resource Book for Students. London: Routledge, 2003.
MLA aipamenaCollins, Beverley. Practical Phonetics and Phonology: A Resource Book for Students. London: Routledge, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.