United States. Bureau of Economic Analysis. "Real Personal Income for States and Metropolitan Areas, 2013 : Highlights, State: Real Personal Income for States, 2013, BEA 15-32," Bureau of Economic Analysis (BEA) News Releases (July 1, 2015). https://fraser.stlouisfed.org/title/6148/item/602250/content/pdf/bea_newsreleases_20150701_highlights--state, accessed on March 22, 2025.