United States. Department of Commerce. "Metropolitan Economic Growth Widespread in 2006 : 2006 and Revised 2004-2005 GDP-by-Metropolitan-Area Statistics, BEA 08-44,"
United States Department of Commerce News
(September 25, 2008).
https://fraser.stlouisfed.org/title/6148/item/600475, accessed on June 11, 2026.