United States. Bureau of Economic Analysis. "Travel and Tourism Spending Turned Up in the Second Quarter of 2014 : Full Release, BEA 14-46," Bureau of Economic Analysis (BEA) News Releases (September 18, 2014). https://fraser.stlouisfed.org/title/6148/item/602125/content/pdf/bea_newsreleases_20140918, accessed on June 17, 2025.