एपीए उद्धरण

Richards, J. C. (1995). Changes: English for international communication : teacher's book 2. Cambridge University Press.

शिकागो स्टाइल उद्धरण

Richards, Jack C. Changes: English for International Communication : Teacher's Book 2. Cambridge University Press, 1995.

एमएलए उद्धरण

Richards, Jack C. Changes: English for International Communication : Teacher's Book 2. Cambridge University Press, 1995.