United States. Bureau of Economic Analysis. "Gross Domestic Product by Metropolitan Area, 2016 : Potential Uses of BEA's Estimates of GDP by Metropolitan Area, BEA 17-48," Bureau of Economic Analysis (BEA) News Releases (September 20, 2017). https://fraser.stlouisfed.org/title/6148/item/602519/content/pdf/bea_newsreleases_20170920_uses-of-statistics, accessed on March 20, 2025.