United States. Bureau of Economic Analysis. "Gross Domestic Product: Second Quarter 2001 (Preliminary) | Corporate Profits: Second Quarter 2001 (Preliminary), BEA 01-25,"
Bureau of Economic Analysis (BEA) News Releases
(August 29, 2001).
https://fraser.stlouisfed.org/title/6148/item/597800, accessed on July 7, 2025.