United States. Bureau of Economic Analysis. "Real Personal Income by State and Metropolitan Area, 2018 : Full Release, BEA 20-22," Bureau of Economic Analysis (BEA) News Releases (May 18, 2020). https://fraser.stlouisfed.org/title/6148/item/602897/content/pdf/bea_newsreleases_20200518, accessed on March 19, 2025.