Cita APA (7th ed.)

friedman, D., & Tro, N. J. (2003). Study guide for Introductory chemistry. Pearson Education Inc.

Cita Chicago (17th ed.)

friedman, Donna, i Nivaldo J. Tro. Study Guide for Introductory Chemistry. Upper Saddle River, NJ: Pearson Education Inc, 2003.

Cita MLA (9th ed.)

friedman, Donna, i Nivaldo J. Tro. Study Guide for Introductory Chemistry. Pearson Education Inc, 2003.