United States. Bureau of Economic Analysis. "Gross Domestic Product: First Quarter 2011 (Third Estimate) | Corporate Profits: First Quarter 2011 (Revised Estimate) : Highlights: GDP Growth Slows in First Quarter, BEA 11-32," Bureau of Economic Analysis (BEA) News Releases (June 24, 2011). https://fraser.stlouisfed.org/title/6148/item/604092/content/pdf/bea_newsreleases_20110624_release-highlights, accessed on March 15, 2025.