Tak, Sok-san, 1956-, author
Chaek Sesang, 2000
Buku Teks
National Unification Board Republik of Korea, 1988
Buku Teks
Ha, Tae Hung, author
Yonsei University Press, 1970
Buku Teks
The Academy of Korean Studies, 2005
Buku Referensi
Global Oriental, 2005
Buku Teks