Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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