एपीए उद्धरण

Whitney, N. (1994). Open doors (student's book 2): Có sách. Oxford: Oxford University Press.

शिकागो स्टाइल उद्धरण

Whitney, Norman. Open Doors (student's Book 2): Có Sách. Oxford: Oxford University Press, 1994.

एमएलए उद्धरण

Whitney, Norman. Open Doors (student's Book 2): Có Sách. Oxford: Oxford University Press, 1994.

चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.