U.S. International Trade in Goods and Services: October 2018 : Tables, BEA 18-66, CB 18-179
United States. Department of Commerce. "U.S. International Trade in Goods and Services: October 2018 : Tables, BEA 18-66, CB 18-179," United States Department of Commerce News (December 6, 2018). https://fraser.stlouisfed.org/title/6148/item/602674/content/xlsx/bea_newsreleases_20181206_tables-only, accessed on June 2, 2026.