United States. Bureau of Economic Analysis. "National Income and Product Accounts : Technical Note : Gross Domestic Product: Second Quarter 2010 (Advanced Estimate) : Revised Estimates: 2007 Through First Quarter 2010, BEA 10-37,"
Bureau of Economic Analysis (BEA) News Releases
(July 30, 2010).
https://fraser.stlouisfed.org/title/6148/item/601168/content/pdf/bea_newsreleases_20100730_technical-note, accessed on May 19, 2025.