O'Sullivan, A. (2012). Urban economics (8th edition.). McGraw-Hill/Irwin.
Cita Chicago (17th ed.)O'Sullivan, Arthur. Urban Economics. 8th edition. New York, NY: McGraw-Hill/Irwin, 2012.
Cita MLA (8th ed.)O'Sullivan, Arthur. Urban Economics. 8th edition. McGraw-Hill/Irwin, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.