Kim, Jun-hyok, author
Foreign Languages Pub. House, 2014
Buku Teks
Yoo, Byong-yong, 1951-, author
Jimoondang International, 2003
Buku Teks
Shaw, Carole Cameron, author
National University Press, 2007
Buku Teks
Kim, Jae-yop, author
Sallim, 2006
Buku Teks
National Unification Board Republik of Korea, 1988
Buku Teks