Central Philadelphia Development Corporation & Center City District (Philadelphia, Pa.). (2007). Center City: Planning for growth, 2007-2012 (April 2007.). Center City District, Central Philadelphia Development Corporation.
Chicago Style (17th ed.) CitationCentral Philadelphia Development Corporation and Pa.) Center City District (Philadelphia. Center City: Planning for Growth, 2007-2012. April 2007. Philadelphia, PA.: Center City District, Central Philadelphia Development Corporation, 2007.
MLA (9th ed.) CitationCentral Philadelphia Development Corporation and Pa.) Center City District (Philadelphia. Center City: Planning for Growth, 2007-2012. April 2007. Center City District, Central Philadelphia Development Corporation, 2007.