Knox, P. L., & McCarthy, L. (2005). Urbanization: An introduction to urban geography (2nd ed.). Pearson Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Knox, Paul L., agus Linda McCarthy. Urbanization: An Introduction to Urban Geography. 2nd ed. Upper Saddle River, N.J.: Pearson Prentice Hall, 2005.
Lua MLA (8ú heag.)Knox, Paul L., agus Linda McCarthy. Urbanization: An Introduction to Urban Geography. 2nd ed. Pearson Prentice Hall, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.