Seo, Gyeong-Sook, author
Bakijeong, 2011
Buku Teks
Gugkgajeonmunjagyeok
Sidaegosigihwek, 2011
Buku Teks
Korean Language Institute
Sidaegosigihwek, 2011
Buku Teks
Kim, Jung-sup, author
Kyung Hee University Press, 2005
Buku Teks
Kyunghee Korean Education Research Group
Darakwon, 2011
Buku Teks