United States. Bureau of Economic Analysis. "July 2016 Trade Gap in $39.5 Billion : Full Release, BEA 16-47," Bureau of Economic Analysis (BEA) News Releases (September 2, 2016). https://fraser.stlouisfed.org/title/6148/item/602366/content/pdf/bea_newsreleases_20160902_a, accessed on March 20, 2025.