Erickson, M. J. (1996). Introduction to combinatorics (2nd ed.). Wiley.
Citación estilo ChicagoErickson, Martin J. Introduction to Combinatorics. 2nd ed. New York: Wiley, 1996.
Cita MLAErickson, Martin J. Introduction to Combinatorics. 2nd ed. Wiley, 1996.
Warning: These citations may not always be 100% accurate.