United States. Bureau of Economic Analysis. "Gross Domestic Product: First Quarter 1999 (Final) | Corporate Profits: First Quarter 1999 (Revised), BEA 99-19,"
Bureau of Economic Analysis (BEA) News Releases
(June 25, 1999).
https://fraser.stlouisfed.org/title/6148/item/597695, accessed on July 19, 2025.