United States. Bureau of Economic Analysis. "National Income and Product Accounts | Gross Domestic Product: Second Quarter 2016 (Advance Estimate) | Annual Update: 2013 Through First Quarter 2016 : Highlights: GDP Increases in Second Quarter, BEA 16-40," Bureau of Economic Analysis (BEA) News Releases (July 29, 2016). https://fraser.stlouisfed.org/title/6148/item/602359/content/pdf/bea_newsreleases_20160729_release-highlights, accessed on March 17, 2025.