1. Behzad, M.: Graphs and their chromatic numbers. PhD dissertation, Michigan State University, Department of Mathematics, 1965
2. —, Some problems in total graph theory, in Combinatorics Advances. In: C.J. Colbourn and E.S. Mahmoodian, eds., Mathematics and Its Applications pp. 13–26 Dordrecht, Boston, London: Kluwer Academic 1995
3. Behzad, M., Chartrand, G.: An introduction to total graphs, in Theory of Graphs. Inter. Symposium, Rome, July 1966, P. Rosenstiehl, ed., New York, 1967, Gordon and Breach, pp. 31–33
4. Behzad, M., Chartrand, G., Lesniak-Foster, L.: Graphs and Digraphs, Prindle. Boston: Weber, and Schmidt 1979
5. Bollobás, B.: Extremal Graph Theory, vol. 11 of LMS Monographs. London, New York, San Francisco: Academic Press 1978