Yoo, Byong-yong, 1951-, author
Jimoondang International, 2003
Buku Teks
National Unification Board Republik of Korea, 1988
Buku Teks
Kim, Jung-sup, author
UK : E. Elgar, 2007
Buku Teks
Tarling, Nicholas, author
Singapore University Press, 2005
Buku Teks
Olsen, Edward A, author
Praeger Security International, 2005
Buku Teks