1. Bark , Tae-ho Changing Patterns in South Korea-U.S. Economic Relations 2003 http://www.nbr.org/publications/specialreport/pdf/Preview/SR4_preview.pdf>
2. Wealth, Power, and Instability: East Asia and the United States after the Cold War;Betts;International Security,1993-1994
3. Borowiec , Steven Bombing Ends, but Village still not Free from Past Yonhap News 2012
4. Bumiller , Elisabeth Bush Says US and China Want to See Koreas Unified New York Times 2002 http://www.nytimes.com/2002/02/21/world/bush-says-us-and-china-want-to-see-koreas-unified.html>