Zumdahl, S. S., & DeCoste, D. J. (2011). Introduction to basic chemistry (7th ed., International ed.). Brooks/Cole, Cengage Learning.
Cita Chicago (17th ed.)Zumdahl, Steven S., i Donald J. DeCoste. Introduction to Basic Chemistry. 7th ed., International ed. Australia: Brooks/Cole, Cengage Learning, 2011.
Cita MLA (9th ed.)Zumdahl, Steven S., i Donald J. DeCoste. Introduction to Basic Chemistry. 7th ed., International ed. Brooks/Cole, Cengage Learning, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.