Chang, R. (2003). General chemistry: The essential concepts. Boston, MA: McGraw-Hill.
Dyfyniad Arddull ChicagoChang, Raymond. General Chemistry: The Essential Concepts. Boston, MA: McGraw-Hill, 2003.
Dyfyniad MLAChang, Raymond. General Chemistry: The Essential Concepts. Boston, MA: McGraw-Hill, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.