National Unification Board, 1988
Buku Teks
Kim Byong Sik
International Publishers, 1970
Buku Teks
Kim, Hak-Joon
Seoul National University Press, 1977
Buku Teks
The Institute for Far Eastern Studies, Kyungnam University, 1979
Buku Teks
International Cultural Society of Korea, 1983
Buku Teks