United States. Department of Commerce. "Travel and Tourism Spending Accelerated in the First Quarter : Full Release : Travel and Tourism Satellite Account, BEA 16-31,"
United States Department of Commerce News
(June 23, 2016).
https://fraser.stlouisfed.org/title/6148/item/602350/content/pdf/bea_newsreleases_20160623, accessed on June 2, 2026.