United States. Bureau of Economic Analysis. "Travel and Tourism Spending Decelerated in the Third Quarter of 2015 : Full Release, BEA 15-62," Bureau of Economic Analysis (BEA) News Releases (December 16, 2015). https://fraser.stlouisfed.org/title/6148/item/602281/content/pdf/bea_newsreleases_20151216_a, accessed on May 14, 2025.