Searle, John R.
MIT Press, 1998
Buku Teks SO
Kyungpook National University Ulleongdo, Dokdo Research Institute
National Heritage Division, 2009
Buku Teks
Natural Heritage Division, Cultural Heritage Administration of Korea, 2009
Buku Referensi
Kim, Byungryull
The Northeast Asian History Foundation, 2008
Buku Teks SO
Kim, Byungryull
The Northeast Asian History Foundation, 2008
Buku Teks SO