Dyfyniad APA

Petrucci, R. H. (1997). General chemistry: Principles and modern applications (7th ed.). Prentice Hall.

Dyfyniad Arddull Chicago

Petrucci, Ralph H. General Chemistry: Principles and Modern Applications. 7th ed. Upper Saddle River, N.J: Prentice Hall, 1997.

Dyfyniad MLA

Petrucci, Ralph H. General Chemistry: Principles and Modern Applications. 7th ed. Prentice Hall, 1997.

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