Ministry of Foreign Affairs The Netherlands, 2004
Buku Referensi
Arabian Encyclopaedia House, 2002
Buku Referensi
Kim, Ri-na, 1942-, author
Hollym International Corp, 2007
Buku Teks
Kim, Sung-woo, author
Hollym, 2007
Buku Teks
Damien Keown, editor
Curzon, 2000
Buku Teks