Kim, Hye Suk
(Modorigatonanen) gugo hakkwa gugo gyohaeng : haeng sol
Wolin, 2009
 Buku Teks
Bae, Chang-hwan
Gugo sigane siilki.1
Vernacular, 2010
 Buku Teks
Choi, Song Wu
Gugo-ui gosu.1-3
Communication Books, 2007
 Buku Referensi
No, Dae Gyu
Gugo hak seaseol
Sinwonmunhwasa, 2008
 Buku Teks
Hwang, Hwa Sang
Guk-go hyongtae danwicei eimiwa dano hyon song
O-hak, 2001
 Buku Teks