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
Park, Kil Su, author
Jimoondang, 2009
Buku Teks
Stephen, Revare.
Nexus, 2010
Buku Teks