एपीए उद्धरण

Soars, J., & Soars, L. (1994). Headway Intermediate: Workbook. Oxford: Oxford University Press.

शिकागो स्टाइल उद्धरण

Soars, John, और Liz Soars. Headway Intermediate: Workbook. Oxford: Oxford University Press, 1994.

एमएलए उद्धरण

Soars, John, और Liz Soars. Headway Intermediate: Workbook. Oxford: Oxford University Press, 1994.