Cita APA

Chartrand, G., & Zhang, P. (2009). Chromatic graph theory. Chapman & Hall/CRC.

Chicago Edition Citation

Chartrand, Gary, i Ping Zhang. Chromatic Graph Theory. Boca Raton: Chapman & Hall/CRC, 2009.

Cita MLA

Chartrand, Gary, i Ping Zhang. Chromatic Graph Theory. Chapman & Hall/CRC, 2009.

Atenció: Aquestes cites poden no estar 100% correctes.