Nahm, Andrew C.
Hollym, 1990
Buku Teks
Nahm, Andrew C.
Hollym International, 2006
Buku Teks
Nahm, Andrew C.
Hollym International, 1988
Buku Teks
edited by Korean National Commission for UNESCO
Hollym, 2004
Buku Referensi
Pak, En Bong
Silcheon, 2005
Buku Teks