Korean Overseas Information Service, 1993
Buku Referensi
edited by Kim Young-kwon, Lee So-jung
Korean Overseas Information Service, Ministry of Culture and Information, 1990
Buku Referensi
editor Chong Bong-uk
Naewoe, 1998
Buku Referensi
Yonhap News Agency, Seoul ; translated by Monterey Interpretation and Translation Services
M.E. Sharpe, 2003
Buku Referensi
edited by Oh Chul-ho
Yonhap News Agency, 1998
Buku Referensi