New Jersey Hollym International Corp 2005
Buku Teks
Seoul : Northeast Asian Foundation
Majalah, Jurnal, Buletin
Lee, Kyong-hee, author
The Korea Herald , 1993
Buku Referensi
Lee, Kyong-hee, author
Korea Herald , 1994
Buku Teks
Lee, Sang-oak, author
[Publisher not identified], [Date of publication not identified]
Buku Teks