Dyfyniad APA

Chang, R. (2003). General chemistry: The essential concepts. Boston, MA: McGraw-Hill.

Dyfyniad Arddull Chicago

Chang, Raymond. General Chemistry: The Essential Concepts. Boston, MA: McGraw-Hill, 2003.

Dyfyniad MLA

Chang, 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.