United States. Bureau of Economic Analysis. "Retail Trade Led Growth in the Third Quarter : Full Release : Gross Domestic Product by Industry Third Quarter 2015, BEA 16-03," Bureau of Economic Analysis (BEA) News Releases (January 21, 2016). https://fraser.stlouisfed.org/title/6148/item/602322/content/pdf/bea_newsreleases_20160121, accessed on May 17, 2025.