एपीए उद्धरण

(2003). American headway; Student book - 3. Oxford: Oxford University Press.

शिकागो स्टाइल उद्धरण

American Headway; Student Book - 3. Oxford: Oxford University Press, 2003.

एमएलए उद्धरण

American Headway; Student Book - 3. Oxford: Oxford University Press, 2003.