Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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

Atenció: Aquestes cites poden no estar 100% correctes.