United States. Bureau of Economic Analysis. "National Income and Product Accounts : Second Quarter 2000 GDP | Revised Estimates: 1997 Through First Quarter 2000, BEA 00-22," Bureau of Economic Analysis (BEA) News Releases (July 28, 2000). https://fraser.stlouisfed.org/title/6148/item/597746, accessed on March 21, 2025.