United States. Bureau of Economic Analysis. "Gross Domestic Product: Second Quarter 2010 (Second Estimate) | Corporate Profits: Second Quarter 2010 (Preliminary Estimate), BEA 10-41," Bureau of Economic Analysis (BEA) News Releases (August 27, 2010). https://fraser.stlouisfed.org/title/6148/item/601172, accessed on March 20, 2025.