United States. Department of Commerce. "U.S. International Trade in Goods and Services: December 2004, CB 05-17, BEA 05-05, FT-900 (04-12),"
United States Department of Commerce News
(February 10, 2005).
https://fraser.stlouisfed.org/title/6148/item/597965, accessed on June 2, 2026.