Kim, Jong-rok
Park Lee Jeong, 2005
Buku Teks
Jeon Na-Yeong, Im Ji-Suk, Jeon Ji-in, Kang Eun-Jeong
Yonsei Dehakgyo Chulphanbu, 2011
Buku Teks
Dusandonga, 2008
Buku Referensi
compiled by GANADA Korean Language Institute; translated by Lee Kee-dong
Language Plus, 1997
Buku Teks
Choi Won-sik, Lee Seon, Yun Yeong-su, Kim So-jin, Gong Seon-ok, Han Chang-hun
Ch'angbi, 2011
Buku Teks