United States. Bureau of Economic Analysis. "State Personal Income: Third Quarter 2006 : Full Release, BEA 06-57,"
Bureau of Economic Analysis (BEA) News Releases
(December 20, 2006).
https://fraser.stlouisfed.org/title/6148/item/598063/content/pdf/bea_newsrelease_20061220, accessed on June 18, 2025.