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