Korea Tourism Organization, 2011
Buku Teks
O, Ju-han
Esang Song, 2011
Buku Teks
Culture Heritage, Administration of Korea,
Multimedia
Natural Heritage Division, Cultural Heritage Administration of Korea, 2009
Buku Referensi
Kyungpook National University Ulleongdo, Dokdo Research Institute
National Heritage Division, 2009
Buku Teks