U.S. Net International Investment Position: Second Quarter 2018 : Tables, BEA 18-50
United States. Department of Commerce. "U.S. Net International Investment Position: Second Quarter 2018 : Tables, BEA 18-50," United States Department of Commerce News (September 26, 2018). https://fraser.stlouisfed.org/title/6148/item/602658/content/xlsx/bea_newsreleases_20180926_tables-only, accessed on June 3, 2026.