United States. Bureau of Economic Analysis. "Gross Domestic Product: First Quarter 2015 (Second Estimate) | Corporate Profits: First Quarter 2015 (Preliminary Estimate) : Highlights: First-Quarter GDP Revised Down, BEA 15-21," Bureau of Economic Analysis (BEA) News Releases (May 29, 2015). https://fraser.stlouisfed.org/title/6148/item/602239/content/pdf/bea_newsreleases_20150529_release-highlights, accessed on March 21, 2025.