Lee Hyon-hye ... [and others]
Hagyon Munhwasa , 2008
Buku Referensi
Kim, Hyo-sun, 1953, author
Sohae Munjip, 2009
Buku Teks
Chang, Yong Jun, 1962-, author
Salim, 2006
Buku Teks
Song, Kyu-tak, author
Han'guk Haksul Chongbo , 2011
Buku Teks
Charele E Tuttle, 1966
Buku Teks