एपीए उद्धरण

Swan, M. (2009). How english works: A grammar practice book with answers. Oxford: Oxford University Press.

शिकागो स्टाइल उद्धरण

Swan, Micheal. How English Works: A Grammar Practice Book With Answers. Oxford: Oxford University Press, 2009.

एमएलए उद्धरण

Swan, Micheal. How English Works: A Grammar Practice Book With Answers. Oxford: Oxford University Press, 2009.