United States. Department of Commerce. "Travel and Tourism Satellite Accounts: Fourth Quarter and Annual 2016 : Full Release, BEA 17-10,"
United States Department of Commerce News
(March 15, 2017).
https://fraser.stlouisfed.org/title/6148/item/602481/content/pdf/bea_newsreleases_20170315, accessed on June 10, 2026.