United States. Bureau of Economic Analysis. "U.S International Trade in Goods and Services: June 2016 : Highlights: June 2016 Trade Gap is $44.5 Billion, BEA 16-42, CB 16-132, FT-900 (16-06)," Bureau of Economic Analysis (BEA) News Releases (August 5, 2016). https://fraser.stlouisfed.org/title/6148/item/602361/content/pdf/bea_newsreleases_20160805_release-highlights, accessed on March 21, 2025.