Seoul : Sakyejul Publishing, 2005
Buku Teks
Sakyejul Publ, 2005
Buku Teks
by Carter J. Eckert ... [et.al.]
Korea Institute, Harvard University, 1990
Buku Teks
Lee, Ki-baik, author
Soul lechokok, 1984
Buku Teks
Seoul Radio Korea International KBS 1995,
Buku Teks