Yonhap News Agency, Seoul ; translated by Monterey Interpretation and Translation Services
M.E. Sharpe, 2003
Buku Referensi
International Cultural Society of Korea , 1988
Buku Teks
Artikel Jurnal
editor Chong Bong-uk
Naewoe, 1998
Buku Referensi
Guile, Melanie, author
Heinemann Library, 2003
Buku Teks