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Hangugo hyong thaeron yongu ui saeroun monsaek
Sontong, 2008
Buku Teks
Jong, Gil-nam, 1943-
Kugo pyon yongu = language expression studies
Hankaakmunhwasa, 2006
Buku Teks
Im, Chi Ryong
Kugo uimiron
Tap Chulpansa, 1992
Buku Teks
Song, Chang-son
Kugo t`ngsaron
Han`guk Munhwasa, 2010
Buku Teks
Yun, Pyong Hyon, 1950-
Kugo uimiron
Yongnak, 2008
Buku Teks