Rani Adriana
Evaluasi buku Han Gug O Korean I
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2007
 UI - Tesis Membership
So, Sang-gyu
Oegugin ui wihan Hangukgo haksup sajon = Learner’s dictionary of Korean
Sinwon Puraim, 2006
 Buku Referensi
Kim, Jong-rok
Oegugin ui wihan pyojun hanguko mumpob = for foreigners standard Korean grammar
Park Lee Jeong, 2005
 Buku Teks
Yeon, Jaehoon
Korean : a comprehensive grammar
Routledge, 2011
 Buku Teks
O, Sung-un
Han'gugo shwipke karuch'igi : i ch'aek han kwon imyon tangsin to ilgup kyosa
Han'gul P'ak'u, 2010
 Buku Teks