एपीए उद्धरण

Johnson, D. L. (1990). Presentations of Groups. Cambridge: Cambridge University.

शिकागो स्टाइल उद्धरण

Johnson, D. L. Presentations of Groups. Cambridge: Cambridge University, 1990.

एमएलए उद्धरण

Johnson, D. L. Presentations of Groups. Cambridge: Cambridge University, 1990.