APA-referens (7:e uppl.)

Brualdi, R. A. (2010). Introductory combinatorics (5th ed.). Prentice Hall.

Chicago-referens (17:e uppl.)

Brualdi, Richard A. Introductory Combinatorics. 5th ed. Upper Saddle River, New Jersey: Prentice Hall, 2010.

MLA-referens (9:e uppl.)

Brualdi, Richard A. Introductory Combinatorics. 5th ed. Prentice Hall, 2010.