United States. Bureau of Economic Analysis. "Gross Domestic Product: Third Quarter 2010 (Advance Estimate) : Technical Note, BEA 10-50," Bureau of Economic Analysis (BEA) News Releases (October 29, 2010). https://fraser.stlouisfed.org/title/6148/item/601181/content/pdf/bea_newsreleases_20101029_technical-note, accessed on March 16, 2025.