Choi, Hyo-chan
Yedan, 2006
Buku Teks
An, Kyong-hwa, author
Han'guk Munhwasa, 2007
Buku Teks
Im, Kyong-sun, 1965-, author
Hanguk Oegugo Taehakkyo Chanbu, 2009
Buku Teks
Kim, So-hyong, author
Han'guk Munhwasa, 2012
Buku Teks
Kim, su-op, 1939-, author
Naramal, 2006
Buku Referensi