Dyfyniad APA

Chang, R., & Goldsby, K. A. (2014). General chemistry: The essential concepts (Seventh Edition; International edition 2014.). McGraw-Hill Education.

Dyfyniad Arddull Chicago

Chang, Raymond, and Kenneth A. Goldsby. General Chemistry: The Essential Concepts. Seventh Edition; International edition 2014. New York: McGraw-Hill Education, 2014.

Dyfyniad MLA

Chang, Raymond, and Kenneth A. Goldsby. General Chemistry: The Essential Concepts. Seventh Edition; International edition 2014. McGraw-Hill Education, 2014.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.