O'Sullivan, A. (2009). Urban economics (7th ed.). McGraw-Hill/Irwin.
Cita Chicago Style (17a ed.)O'Sullivan, Arthur. Urban Economics. 7th ed. Boston: McGraw-Hill/Irwin, 2009.
Cita MLA (9a ed.)O'Sullivan, Arthur. Urban Economics. 7th ed. McGraw-Hill/Irwin, 2009.
Precaución: Estas citas no son 100% exactas.