एपीए उद्धरण

John Soars. (1987). Headway: Intermediate workbook. London: Oxford Univ. Press.

शिकागो स्टाइल उद्धरण

John Soars. Headway: Intermediate Workbook. London: Oxford Univ. Press, 1987.

एमएलए उद्धरण

John Soars. Headway: Intermediate Workbook. London: Oxford Univ. Press, 1987.