U.S. International Trade in Goods and Services: April 2019 : Tables, BEA 19-24, CB 19-76
United States. Department of Commerce. "U.S. International Trade in Goods and Services: April 2019 : Tables, BEA 19-24, CB 19-76," United States Department of Commerce News (June 6, 2019). https://fraser.stlouisfed.org/title/6148/item/602797/content/xlsx/bea_newsreleases_20190606_tables-only, accessed on June 1, 2026.