एपीए उद्धरण

Hewings, M. (2007). English pronunciation in use advanced. United Kingdom: Cambridge University Press.

शिकागो स्टाइल उद्धरण

Hewings, Martin. English Pronunciation in Use Advanced. United Kingdom: Cambridge University Press, 2007.

एमएलए उद्धरण

Hewings, Martin. English Pronunciation in Use Advanced. United Kingdom: Cambridge University Press, 2007.