Hill, J. W. (2010). Chemistry for changing times (12th Edition.). Pearson / Prentice Hall.
Cita Chicago (17th ed.)Hill, John W. Chemistry for Changing Times. 12th Edition. New York: Pearson / Prentice Hall, 2010.
Cita MLA (9th ed.)Hill, John W. Chemistry for Changing Times. 12th Edition. Pearson / Prentice Hall, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.