APA استشهاد

Gray, P. M. D. (1988). Logic, algebra, and databases. E. Horwood ; Distributor, Halsted Press.

استشهاد بنمط شيكاغو

Gray, Peter M. D. Logic, Algebra, and Databases. Chichester, West Sussex, England : New Delhi: E. Horwood ; Distributor, Halsted Press, 1988.

MLA استشهاد

Gray, Peter M. D. Logic, Algebra, and Databases. E. Horwood ; Distributor, Halsted Press, 1988.