edited by Korean National Commission for UNESCO
Hollym, 2003-2004
Buku Referensi
Kim, Choong Soon
Ilchokak, 2007
Buku Teks
Jang, Yeonok
Scarecrow Press, 2014
Buku Teks
Reischauer, Edwin O.
George Allen and Unwin, 1982
Buku Teks
Fairbank, John K. (John King)
George Allen and Unwin , 1982
Buku Teks