एपीए उद्धरण

Gray, P. M. D. (1984). Logic, algebra and databases. Ellis Horwood.

शिकागो स्टाइल उद्धरण

Gray, Peter M D. Logic, Algebra and Databases. Chichester: Ellis Horwood, 1984.

एमएलए उद्धरण

Gray, Peter M D. Logic, Algebra and Databases. Ellis Horwood, 1984.