APA-referens (7:e uppl.)

Harris, J. M., Hirst, J. L., & Mossinghoff, M. J. (2010). Combinatorics and graph theory (2nd ed.). Springer.

Chicago-referens (17:e uppl.)

Harris, John M., Jeffry L. Hirst, och Michael J. Mossinghoff. Combinatorics and Graph Theory. 2nd ed. New York: Springer, 2010.

MLA-referens (8:e uppl.)

Harris, John M., et al. Combinatorics and Graph Theory. 2nd ed. Springer, 2010.