United States. Bureau of Economic Analysis. "Real Personal Income for States and Metropolitan Areas, 2015 : Highlights: Real Personal Income for Metropolitan Areas, 2015, BEA 17-28," Bureau of Economic Analysis (BEA) News Releases (June 22, 2017). https://fraser.stlouisfed.org/title/6148/item/602499/content/pdf/bea_newsreleases_20170622_highlights--metropolitan-area, accessed on March 21, 2025.