U.S. International Trade in Goods and Services: March 2020 : Tables, BEA 20-21, CB 20-66
United States. Department of Commerce. "U.S. International Trade in Goods and Services: March 2020 : Tables, BEA 20-21, CB 20-66," United States Department of Commerce News (May 5, 2020). https://fraser.stlouisfed.org/title/6148/item/602896/content/xlsx/bea_newsreleases_20200505_tables-only, accessed on June 13, 2026.