United States. Bureau of Economic Analysis. "U.S. International Trade in Goods and Services: July 2019 : Highlights: July 2019 Trade Gap is $54.0 Billion, BEA 19-43, CB 19-127," Bureau of Economic Analysis (BEA) News Releases (September 4, 2019). https://fraser.stlouisfed.org/title/6148/item/602815/content/pdf/bea_newsreleases_20190904_release-highlights-monthly, accessed on March 13, 2025.