U.S. International Trade in Goods and Services, September 2019 : Tables, BEA 19-57, CB 19-166
United States. Department of Commerce. "U.S. International Trade in Goods and Services, September 2019 : Tables, BEA 19-57, CB 19-166," United States Department of Commerce News (November 5, 2019). https://fraser.stlouisfed.org/title/6148/item/602827/content/xlsx/bea_newsreleases_20191105_tables-only, accessed on May 31, 2026.