एपीए उद्धरण

Wallwork, A. (2001). International express: Upper- Intermediate. Oxford: Oxford University Press.

शिकागो स्टाइल उद्धरण

Wallwork, Adrian. International Express: Upper- Intermediate. Oxford: Oxford University Press, 2001.

एमएलए उद्धरण

Wallwork, Adrian. International Express: Upper- Intermediate. Oxford: Oxford University Press, 2001.