Yonhap News Agency, 1984
Buku Referensi
Yonhap News Agency, 1991
Buku Referensi
Yonhap News Agency, 1994
Buku Referensi
Roh Jeong Seon, editor
Yonhap News Agency, 2000
Buku Referensi
edited by Kim Young-kwon, Lee So-jung
Korean Overseas Information Service, Ministry of Culture and Information, 1990
Buku Referensi