United States. Bureau of Economic Analysis. "U.S. International Trade in Goods and Services: January 2014 : Full Release, BEA 14-08, CB 14-36, FT-900 (14-01),"
Bureau of Economic Analysis (BEA) News Releases
(March 7, 2014).
https://fraser.stlouisfed.org/title/6148/item/602088/content/pdf/bea_newsreleases_20140307, accessed on May 13, 2025.