O'Sullivan, A. (2019). Urban economics (Ninth edition.). McGraw-Hill Education.
Lua i Stíl Chicago (17ú heag.)O'Sullivan, Arthur. Urban Economics. Ninth edition. New York: McGraw-Hill Education, 2019.
Lua MLA (8ú heag.)O'Sullivan, Arthur. Urban Economics. Ninth edition. McGraw-Hill Education, 2019.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.