Παραπομπή APA

Roberts, F. S. (2009). Applied combinatorics (2nd ed.). CRC.

Παραπομπή Chicago Style

Roberts, Fred S. Applied Combinatorics. 2nd ed. Boca ration: CRC, 2009.

Παραπομπή MLA

Roberts, Fred S. Applied Combinatorics. 2nd ed. CRC, 2009.