U.S. International Trade in Goods and Services March 2013 : Tables, BEA 13-20, CB 13-66, FT-900 (13-03)
United States. Department of Commerce. "U.S. International Trade in Goods and Services March 2013 : Tables, BEA 13-20, CB 13-66, FT-900 (13-03)," United States Department of Commerce News (May 2, 2013). https://fraser.stlouisfed.org/title/6148/item/601544/content/xls/bea_newsreleases_20130502_tables-only-excel, accessed on June 14, 2026.