United States. Bureau of Economic Analysis. "Gross Domestic Product: Third Quarter 2012 (Second Estimate) | Corporate Profits: Third Quarter 2012 (Preliminary) : Full Release, BEA 12-53," Bureau of Economic Analysis (BEA) News Releases (November 29, 2012). https://fraser.stlouisfed.org/title/6148/item/601366/content/pdf/bea_newsreleases_20121129, accessed on March 19, 2025.