Jang, Hyong-hwi
Saeng il
Doseo, 2007
Buku Teks
Pak, Jong-dok, 1964-
Hangugo tokhaeron
Shthong, 2008
Buku Teks
Kim, Chung Sop
Hangugo: gogep 2
Kyung Hee University Press, 2005
Buku Teks
Jo, Hyon Yong
(Yuhaksaengel wihan) hangugo ilki
Howe, 2009
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Hangugo hak ui ihae
by Pak Sang Gyu ... [et al.]
Yoklak, 2010
Buku Teks