Zumdahl, S. S. (1986). Chemistry. D.C. Heath and Company.
Cita Chicago (17th ed.)Zumdahl, Steven S. Chemistry. Massachusetts: D.C. Heath and Company, 1986.
Cita MLA (9th ed.)Zumdahl, Steven S. Chemistry. D.C. Heath and Company, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.