एपीए उद्धरण

Swan, M. (2005). Practical English usage: International student's edition. Oxford: Oxford University Press.

शिकागो स्टाइल उद्धरण

Swan, Michael. Practical English Usage: International Student's Edition. Oxford: Oxford University Press, 2005.

एमएलए उद्धरण

Swan, Michael. Practical English Usage: International Student's Edition. Oxford: Oxford University Press, 2005.