Lee, Si-Won, author
Exile Press, 2009
Buku Teks
Kim, Joong Soeb, author
Kyeonghwedehakkyo, 2006
Buku Teks
Kim, Joong Seob, author
Kyeonghwedehakkyo, 2007
Buku Teks
The National Institute of the Korean Language & The International Korean Language Foundation, 2008
Buku Teks
Ahn, Kyung-hwa, author
Korea Foundation, 2010
Buku Teks