United States. Bureau of Economic Analysis. "Total Tourism-Related Sales Grew 11 Percent in First Quarter 2005 : Annual Tourism Employment Up for First Time since 2000, BEA 05-24," Bureau of Economic Analysis (BEA) News Releases (June 9, 2005). https://fraser.stlouisfed.org/title/6148/item/597981, accessed on March 18, 2025.