HomeSitemap
Consumer Price Index for All Urban Consumers
"Inflation & Prices". Bereau of Labor Statistics. Accessed 8/21/2010 http://bls.gov/data/#prices.
Department of Economic and Social Affairs , "World Urbanization Prospects: The 2007 Revision". United Nations Department of Economic and Social Affairs: Population Division. Accessed 8/21/2010 http://www.un.org/esa/population/publications/wup2007/2007WUP_Highlights_web.pdf.
MapOfUSA.net, "US Population Density Map". Accessed 8/21/2010 http://www.mapofusa.net/us-population-density-map.htm