Knox, P. L., & McCarthy, L. (2005). Urbanization: An introduction to urban geography (2nd ed.). Pearson Prentice Hall.

Knox, Paul L., and Linda McCarthy. Urbanization: An Introduction to Urban Geography. 2nd ed. Upper Saddle River, N.J.: Pearson Prentice Hall, 2005.

Knox, Paul L., and Linda McCarthy. Urbanization: An Introduction to Urban Geography. 2nd ed. Pearson Prentice Hall, 2005.