Yoo, Byong-yong, 1951-, author
Jimoondang International, 2003
Buku Teks
Im, Hyon-jin, author
Seoul daehakgyo chul pan bu, 2005
Buku Teks
Pak, Kwan-yong, author
Hanulbooks, Akademi, 2007
Buku Teks
Korea Institute for National Unification, 2014
Buku Teks
Macdonald, Donald Stone
Westview Press, 1988
Buku Teks