Son Yeong-hak
Seoul : Dahal Media, 2009
Buku Teks
New Jersey Hollym International Corp 2005
Buku Teks
The Korean Foundation, 1996
Buku Referensi
Chung, Taekyung
Vermont : Tuttle, 2008
Buku Teks
English editor, Paula Kim ; translators, Lee Chunoc ... [and others]
Korea Tourism Organization, 2010
Buku Teks SO