Zŏng, In-sŏb, translator
Hollym International Corp., 1989
Buku Teks
Methopld, Ken
Compass Publishing, 2007
Buku Teks
Methopld, Ken
Compass Publishing, [date of publication not identified]
Buku Teks
Sing, Dong Heun, author
Hwang Gem Gaji, 2003
Buku Teks
Yeowanmidio, 2007
Buku Teks