Dyfyniad APA

Erickson, M. J. (1996). Introduction to combinatorics (2nd ed.). Wiley.

Dyfyniad Arddull Chicago

Erickson, Martin J. Introduction to Combinatorics. 2nd ed. New York: Wiley, 1996.

Dyfyniad MLA

Erickson, Martin J. Introduction to Combinatorics. 2nd ed. Wiley, 1996.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.