Dyfyniad APA

CHANG RAYMOND. (2011). GENERAL CHEMISTRY THE ESSENTIAL CONCEPTS 6TH EDITION (SIXTH EDITION.). MCGRAW HILL.

Dyfyniad Arddull Chicago

CHANG RAYMOND. GENERAL CHEMISTRY THE ESSENTIAL CONCEPTS 6TH EDITION. SIXTH EDITION. NEW DELHI: MCGRAW HILL, 2011.

Dyfyniad MLA

CHANG RAYMOND. GENERAL CHEMISTRY THE ESSENTIAL CONCEPTS 6TH EDITION. SIXTH EDITION. MCGRAW HILL, 2011.

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