United States. Bureau of Economic Analysis. "U.S. International Trade in Goods and Services: February 2019 : Highlights: February 2019 Trade Gap is $49.4 Billion, BEA 19-15, CB 19-50," Bureau of Economic Analysis (BEA) News Releases (April 17, 2019). https://fraser.stlouisfed.org/title/6148/item/602788/content/pdf/bea_newsreleases_20190417_release-highlights-monthly, accessed on March 21, 2025.