Hill, J. W., & Petrucci, R. H. (1999). General chemistry: An integrated approach (2nd ed.). Prentice Hall.
Cita Chicago (17th ed.)Hill, John W., i Ralph H. Petrucci. General Chemistry: An Integrated Approach. 2nd ed. Upper Saddle River, N.J: Prentice Hall, 1999.
Cita MLA (9th ed.)Hill, John W., i Ralph H. Petrucci. General Chemistry: An Integrated Approach. 2nd ed. Prentice Hall, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.