United States. Bureau of Economic Analysis. "State Quarterly Personal Income: First Quarter 2016 : Full Release, BEA 16-30," Bureau of Economic Analysis (BEA) News Releases (June 22, 2016). https://fraser.stlouisfed.org/title/6148/item/602349/content/pdf/bea_newsreleases_20160622, accessed on March 20, 2025.