एपीए उद्धरण

Soars, J. (1991). Headway Pre-intermediate: Student's book. Oxford: Oxford University Press.

शिकागो स्टाइल उद्धरण

Soars, John. Headway Pre-intermediate: Student's Book. Oxford: Oxford University Press, 1991.

एमएलए उद्धरण

Soars, John. Headway Pre-intermediate: Student's Book. Oxford: Oxford University Press, 1991.