United States. Bureau of Economic Analysis. "Gross Domestic Product: First Quarter 2013 (Second Estimate) | Corporate Profits: First Quarter 2013 (Preliminary Estimate) : Highlights: GDP Growth Accelerates in First Quarter, BEA 13-21,"
Bureau of Economic Analysis (BEA) News Releases
(May 30, 2013).
https://fraser.stlouisfed.org/title/6148/item/601545/content/pdf/bea_newsreleases_20130530_release-highlights, accessed on July 17, 2025.