Hewings, M. (2007). English pronunciation in use: Dvanced self-study and classroom use. Cambridge University Press.
Chicago Style (17th ed.) ZitazioaHewings, Martin. English Pronunciation in Use: Dvanced Self-study and Classroom Use. New York: Cambridge University Press, 2007.
MLA (9th ed.) ZitazioaHewings, Martin. English Pronunciation in Use: Dvanced Self-study and Classroom Use. Cambridge University Press, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.