United States. Bureau of Economic Analysis. "Real Personal Income for States and Metropolitan Areas, 2008-2012 : Highlights, State: BEA Introduces New Measures of Regional Economy, BEA 14-16,"
Bureau of Economic Analysis (BEA) News Releases
(April 24, 2014).
https://fraser.stlouisfed.org/title/6148/item/602096/content/pdf/bea_newsreleases_20140424_highlights--state, accessed on July 16, 2025.