एपीए उद्धरण

Soars, J., & Soars, L. (1993). Headway Advanced: Workbook. Oxford: Oxford University Press.

शिकागो स्टाइल उद्धरण

Soars, John, और Liz Soars. Headway Advanced: Workbook. Oxford: Oxford University Press, 1993.

एमएलए उद्धरण

Soars, John, और Liz Soars. Headway Advanced: Workbook. Oxford: Oxford University Press, 1993.