United States. Bureau of Economic Analysis. "Gross Domestic Product: Third Quarter 1993 (Final) | Corporate Profits: Third Quarter 1993 (Revised), BEA 93-59," Bureau of Economic Analysis (BEA) News Releases (December 22, 1993). https://fraser.stlouisfed.org/title/6148/item/597360, accessed on March 27, 2025.