U.S. International Trade in Goods and Services: January 2018 : Tables, BEA 18-11, CB 18-33
United States. Department of Commerce. "U.S. International Trade in Goods and Services: January 2018 : Tables, BEA 18-11, CB 18-33," United States Department of Commerce News (March 7, 2018). https://fraser.stlouisfed.org/title/6148/item/602618/content/xlsx/bea_newsreleases_20180307_tables-only, accessed on June 12, 2026.