United States. Bureau of Economic Analysis. "State Quarterly Personal Income: First Quarter 2013 : Full Release, BEA 13-32," Bureau of Economic Analysis (BEA) News Releases (June 28, 2013). https://fraser.stlouisfed.org/title/6148/item/601555/content/pdf/bea_newsreleases_20130628, accessed on March 21, 2025.