United States. Bureau of Economic Analysis. "Economic Growth Continues Across Metropolitan Areas in 2011 : Full Release : Advance 2011, and Revised 2001-2010 GDP-by-Metropolitan-Area Statistics, BEA 13-05," Bureau of Economic Analysis (BEA) News Releases (February 22, 2013). https://fraser.stlouisfed.org/title/6148/item/601529/content/pdf/bea_newsreleases_20130222, accessed on March 21, 2025.