एपीए उद्धरण

Higgins, P. J. (1974). Introduction to topological groups. Cambridge University Press.

शिकागो स्टाइल उद्धरण

Higgins, Philip J. Introduction to Topological Groups. Cambridge: Cambridge University Press, 1974.

एमएलए उद्धरण

Higgins, Philip J. Introduction to Topological Groups. Cambridge University Press, 1974.