1. Raff, L. M. Principles of Physical Chemistry; Prentice Hall, 2001; pp 25–50.
2. Atkins, P.; de Paula, J. Physical Chemistry: Thermodynamics, Structure, and Change, 10th ed. Freeman, 2014; pp 45–53.
3. Ball, D. W. Physical Chemistry; Thomson, 2003; pp 10–21.
4. Engle, T.; Reid, P. Thermodynamics, Statistical Thermodynamics, & Kinetics, 2nd ed. Prentice Hall, 2010; pp 155–169.