Jang, Nam Hyuck-1959, author
Jimoondang International, 2004
Buku Teks
Kim, Tae-kon
Buku Teks
The Korean Foundation, 1996
Buku Referensi
edited by Korean National Commission for UNESCO
Hollym, 2003-2004
Buku Referensi
Seoul The Royal Asiatic Society 1998
Buku Teks