Chartrand, G., & Zhang, P. (2009). Chromatic graph theory. Chapman & Hall/CRC.
Dyfyniad Arddull ChicagoChartrand, Gary, and Ping Zhang. Chromatic Graph Theory. Boca Raton: Chapman & Hall/CRC, 2009.
Dyfyniad MLAChartrand, Gary, and Ping Zhang. Chromatic Graph Theory. Chapman & Hall/CRC, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.