Dyfyniad APA

Krieger, P. J. (1999). Understanding chemical principals a learning companion. Prentice-Hall.

Dyfyniad Arddull Chicago

Krieger, Peter J. Understanding Chemical Principals a Learning Companion. Upper Saddle River, New Jersey: Prentice-Hall, 1999.

Dyfyniad MLA

Krieger, Peter J. Understanding Chemical Principals a Learning Companion. Prentice-Hall, 1999.

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