North korea
 Buku Teks
South-North dialogue in Korea
International Cultural Society of Korea , 1988
 Buku Teks SO
North korea's nuclear game
 Artikel Jurnal
North Korea : 2005 and beyond
edited by Philip W. Yun; Gi-Wook Shin
The Walter H. Shorenstein Asia-Pacific Research Center, 2006
 Buku Teks
South-North dialogue in Korea
International Cultural Society of Korea, 1983
 Buku Teks SO