Siregar, Sori, author
Pustaka Jaya, 1972
Buku Teks
Son, Dong-in, author
(Ju) Chang Jak gwa Bi Pyong sa, 2002
Buku Teks
Kim, Jae-wok
Korean Language Plus, 2010
Multimedia
Kim, Jae-wok
Korean Language Plus, 2010
Multimedia
Choi, Nae-ok, author
(Ju) Chang Jak gwa Bi pyong sa, 2001
Buku Teks