United States. Bureau of Economic Analysis. "Gross Domestic Product: Third Quarter 2006 (Preliminary) | Corporate Profits: Third Quarter 2006 (Preliminary) : Technical Note, BEA 06-51," Bureau of Economic Analysis (BEA) News Releases (November 29, 2006). https://fraser.stlouisfed.org/title/6148/item/598057/content/pdf/bea_newsreleases_20061129_technical-note, accessed on March 11, 2025.