United States. Bureau of Economic Analysis. "Travel and Tourism Spending Decelerated in the Third Quarter of 2013 : Full Release, BEA 13-61," Bureau of Economic Analysis (BEA) News Releases (December 18, 2013). https://fraser.stlouisfed.org/title/6148/item/601583/content/pdf/bea_newsreleases_20131218, accessed on March 15, 2025.