O'Sullivan, A. (2007). Urban economics (6th ed.). Irwin-McGraw-Hill.
Chicago Style (17th ed.) CitationO'Sullivan, Arthur. Urban Economics. 6th ed. Boston, Mass: Irwin-McGraw-Hill, 2007.
MLA (9th ed.) CitationO'Sullivan, Arthur. Urban Economics. 6th ed. Irwin-McGraw-Hill, 2007.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.