Kedutaan Besar Republik Korea
Kedutaan Besar Korea, 2001
Buku Teks
McCune, Shannon
Charles E. Tuttle Company, 1956
Buku Teks
Go, Hari-susumu, author
EZ book, 2000
Buku Teks
Gwang myeong chul pan sa, 1976
Buku Teks
Nilsen, Robert, author
Avalon Travel, 2003
Buku Referensi