एपीए उद्धरण

Swan,, M. (1996). Practical English usage (2nd ed.). OUP.

शिकागो स्टाइल उद्धरण

Swan,, Michael. Practical English Usage. 2nd ed. Oxford: OUP, 1996.

एमएलए उद्धरण

Swan,, Michael. Practical English Usage. 2nd ed. OUP, 1996.