United States. Department of Commerce. "State Quarterly Personal Income, 1st Quarter 2007-4th Quarter 2010 | State Annual Personal Income, 2010 (Preliminary Estimate), BEA 11-12," United States Department of Commerce News (March 23, 2011). https://fraser.stlouisfed.org/title/6148/item/604071, accessed on June 1, 2026.