edited by Sohn Ho-min
University of Hawaii, 2006
Buku Teks
Nahm, Andrew C, author
Hollym, 2006
Buku Teks
Choi, Jun-sik, author
Heronemedia, 2009
Buku Referensi
Lee, Kyong-hee, author
The Korea Herald , 1993
Buku Referensi
Lee, Kwang-kyu, author
Jimoondang, 2003
Buku Teks