United States. Bureau of Economic Analysis. "Economic Growth Widespread Across Metropolitan Areas in 2014 : Advance 2014, and Revised 2001-2013 GDP-by-Metropolitan-Area Statistics, BEA 15-44," Bureau of Economic Analysis (BEA) News Releases (September 23, 2015). https://fraser.stlouisfed.org/title/6148/item/602262, accessed on March 17, 2025.