Gwon, Sun-gung
Uri sosol ; 1, 2 / Gwon Soon Geng.
Silcheon, 2004
 Buku Teks
Park, Jong-ho
Guko kyoswaso jakphum ilsi : jung 1 suphil
Changbi , 2011
 Buku Teks
Ryu, Dae-seong
Gugeo gyogwaseo jakphum ilkki: jung 1 soseol
Changbi, 2010
 Buku Teks
Ha, Gen Chan
Su han: doe
Sodam, 2002
 Buku Teks
Han, Sung-won, 1939-
Chusa : Han Sung-won changpyon sosol
Yollimwon, 2007
 Buku Teks