एपीए उद्धरण

Soars, J., & Soars, L. (1987). Headway upper - intermediate: Teacher's book. New York: Oxford University Press.

शिकागो स्टाइल उद्धरण

Soars, John, और Liz Soars. Headway Upper - Intermediate: Teacher's Book. New York: Oxford University Press, 1987.

एमएलए उद्धरण

Soars, John, और Liz Soars. Headway Upper - Intermediate: Teacher's Book. New York: Oxford University Press, 1987.