1.Ashrafi, N., Maimani, H. R., Pournaki, M. R. and Yassemi, S., Unit graphs associated with rings, Comm. Algebra, to appear.
2.Atiyah, M. F. and Macdonald, I. G., Introduction to Commutative Algebra (Addison Wesley, Reading, MA.–London–Don Mills, ON, 1969).
3.Grimaldi, R. P., Graphs from rings, in Proceedings of the Twentieth Southeastern Conference on Combinatorics, Graph Theory, and Computing (Boca Raton, FL, 1989). Congr. Numer. 71 (1990), 95–103.
4.McDonald, B. R., Finite rings with identity, in Pure and Applied Mathematics, vol. 28 (Marcel Dekker, Inc., New York, 1974).
5.West, D. B., Introduction to Graph Theory (Prentice Hall, Upper Saddle River, NJ, 1996).