Yonse Taehakkyo Hangugo Haktang pyon
Yonsei University Press, 2009
Buku Teks
Kim, Yong-Il, author
Pangmunsa, 2009
Buku Referensi
Kyung Hee Univesity Press, 2007
Buku Teks
Language Plus, 2010
Buku Referensi
Lee, Kay Won
Hanguk Munhwasa, 2007
Buku Teks