U.S. International Transactions : Tables : Fourth Quarter and Year 2008, BEA 09-08
United States. Department of Commerce. "U.S. International Transactions : Tables : Fourth Quarter and Year 2008, BEA 09-08," United States Department of Commerce News (March 18, 2009). https://fraser.stlouisfed.org/title/6148/item/600658/content/xls/bea_newsreleases_20090318_tables, accessed on May 31, 2026.