एपीए उद्धरण

Jack C. Richards. (1994). Changes intro ( Student's book ): English for international communication. Cambridge, UK: Cambridge Univ. Press.

शिकागो स्टाइल उद्धरण

Jack C. Richards. Changes Intro ( Student's Book ): English for International Communication. Cambridge, UK: Cambridge Univ. Press, 1994.

एमएलए उद्धरण

Jack C. Richards. Changes Intro ( Student's Book ): English for International Communication. Cambridge, UK: Cambridge Univ. Press, 1994.