United States. Bureau of Economic Analysis. "Gross Domestic Product: First Quarter 1992 (Advance) | Corporate Profits: Fourth Quarter 1991 (Revised), BEA 92-15," Bureau of Economic Analysis (BEA) News Releases (April 28, 1992). https://fraser.stlouisfed.org/title/6148/item/597237, accessed on June 15, 2025.