O'Sullivan, A. (1996). Urban economics (3rd ed.). ওৎরিহ.
Chicago Style (17th ed.) CitationO'Sullivan, Arthur. Urban Economics. 3rd ed. Chicago: ওৎরিহ, 1996.
MLA (9th ed.) CitationO'Sullivan, Arthur. Urban Economics. 3rd ed. ওৎরিহ, 1996.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.