एपीए उद्धरण

(2001). American Headway 2: Workbook cassette. Oxford: Oxford University Press.

शिकागो स्टाइल उद्धरण

American Headway 2: Workbook Cassette. Oxford: Oxford University Press, 2001.

एमएलए उद्धरण

American Headway 2: Workbook Cassette. Oxford: Oxford University Press, 2001.