United States. Bureau of Economic Analysis. "Gross Domestic Product: Third Quarter 2009 (Third Estimate)|Corporate Profits: Third Quarter 2009 (Revised Estimate) : Full Release, BEA 09-57,"
Bureau of Economic Analysis (BEA) News Releases
(December 22, 2009).
https://fraser.stlouisfed.org/title/6148/item/600705/content/pdf/bea_newsreleases_20091222, accessed on June 22, 2025.