एपीए उद्धरण

(2001). American headway; workbook - 2. Oxford: Oxford University Press.

शिकागो स्टाइल उद्धरण

American Headway; Workbook - 2. Oxford: Oxford University Press, 2001.

एमएलए उद्धरण

American Headway; Workbook - 2. Oxford: Oxford University Press, 2001.