United States. Bureau of Economic Analysis. "Gross Domestic Product: First Quarter 2010 (Second Estimate) | Corporate Profits: First Quarter 2010 (Preliminary Estimate) : Technical Note, BEA 10-22,"
Bureau of Economic Analysis (BEA) News Releases
(May 27, 2010).
https://fraser.stlouisfed.org/title/6148/item/601154/content/pdf/bea_newsreleases_20100527_technical-note, accessed on March 17, 2025.