United States. Bureau of Economic Analysis. "Gross National Product: Third Quarter 1990 (Preliminary) | Corporate Profits: Third Quarters 1990, BEA 90-52,"
Bureau of Economic Analysis (BEA) News Releases
(November 28, 1990).
https://fraser.stlouisfed.org/title/6148/item/596780, accessed on July 13, 2025.