Ju, Gang Hyeon
Gangchiya Dokdoya Donghae bada ya : Ju Gang-hyon sonsaengnim ui uri ttang Tpkto iyagi
Hangyeorechulphan,, 2006
Buku Teks
Im, Hyeong Taek.
Uri Gojeoneul Chajaseo, Hangukui sasanggwa Muhhwaui Ppuri
Hangilsa, 2008
Buku Teks
Imjiwaeran dongasia segyei byeon dong.
Syeong in Munhwasa, 2010
Buku Teks
Pak, Yong-gyu
Hangyone roilknen goryowang josillok = (read as one) considered the kings
Ungjin-Jisit Hadse, 2010
Buku Teks
Moon, Uyung-dae
Han gook jo gak sa
Yeol Hwa Dang, 1989
Buku Teks