United States. Bureau of Economic Analysis. "State Personal Income: Second Quarter 2015 : Highlights: State Personal Income Second Quarter 2015, BEA 15-48," Bureau of Economic Analysis (BEA) News Releases (September 30, 2015). https://fraser.stlouisfed.org/title/6148/item/602266/content/pdf/bea_newsreleases_20150930_quarterly-highlights, accessed on March 24, 2025.