Columbia University Press, 2005
Buku Teks SO
edited by Lee Sang-sup
Korean Culture Arts Foundation, 1983
Buku Teks SO
Kim, Tae-Kil
dae Kwang Munwhasa, 1990
Buku Teks SO
University of Hawaii, 2004
Buku Teks
edited by Chung Chong-wha
East West Publications, 1986
Buku Teks SO