Dyfyniad APA

Brown, T. (2003). Chemistry: The central science (9th ed.). Prentice Hall.

Dyfyniad Arddull Chicago

Brown, T. Chemistry: The Central Science. 9th ed. Upper Saddle River, New Jersey: Prentice Hall, 2003.

Dyfyniad MLA

Brown, T. Chemistry: The Central Science. 9th ed. Prentice Hall, 2003.

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