United States. Bureau of Economic Analysis. "Gross Domestic Product: Fourth Quarter and Annual 2014 (Third Estimate) | Corporate Profits: Fourth Quarter and Annual 2014 : Highlights: GDP Increases in Fourth Quarter, BEA 15-13,"
Bureau of Economic Analysis (BEA) News Releases
(March 27, 2015).
https://fraser.stlouisfed.org/title/6148/item/602231/content/pdf/bea_newsreleases_20150327_release-highlights, accessed on March 18, 2025.