एपीए उद्धरण

Gairns, R., & Redman, S. (2002). Natural english: Intermediate teacher's book. Oxford: Oxford Univ. Press.

शिकागो स्टाइल उद्धरण

Gairns, Ruth, और Stuart Redman. Natural English: Intermediate Teacher's Book. Oxford: Oxford Univ. Press, 2002.

एमएलए उद्धरण

Gairns, Ruth, और Stuart Redman. Natural English: Intermediate Teacher's Book. Oxford: Oxford Univ. Press, 2002.