Dyfyniad APA

(2002). Chemistry: Concepts and applications. New York: McGraw - Hill.

Dyfyniad Arddull Chicago

Chemistry: Concepts and Applications. New York: McGraw - Hill, 2002.

Dyfyniad MLA

Chemistry: Concepts and Applications. New York: McGraw - Hill, 2002.

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