एपीए उद्धरण

Soars, L., & Soars, J. (2003). American headway: Student book. Oxford: Oxford Univ. Press.

शिकागो स्टाइल उद्धरण

Soars, Liz, और John Soars. American Headway: Student Book. Oxford: Oxford Univ. Press, 2003.

एमएलए उद्धरण

Soars, Liz, और John Soars. American Headway: Student Book. Oxford: Oxford Univ. Press, 2003.