एपीए उद्धरण

Swan, M. (1995). Practical English usage (2nd ed.). Oxford: Oxford University Press.

शिकागो स्टाइल उद्धरण

Swan, Michael. Practical English Usage. 2nd ed. Oxford: Oxford University Press, 1995.

एमएलए उद्धरण

Swan, Michael. Practical English Usage. 2nd ed. Oxford: Oxford University Press, 1995.