United States. Bureau of Economic Analysis. "Local Area Personal Income, 2004 : Highlights: Local Area Personal Income, 2004, BEA 06-15," Bureau of Economic Analysis (BEA) News Releases (April 25, 2006). https://fraser.stlouisfed.org/title/6148/item/598026/content/pdf/bea_newsreleases_20060425_hi, accessed on May 14, 2025.