O'Sullivan, A. (2012). Urban economics (8th edition.). McGraw-Hill/Irwin.
Lua i Stíl Chicago (17ú heag.)O'Sullivan, Arthur. Urban Economics. 8th edition. New York, NY: McGraw-Hill/Irwin, 2012.
Lua MLA (8ú heag.)O'Sullivan, Arthur. Urban Economics. 8th edition. McGraw-Hill/Irwin, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.