TVXQ
S.M Entertaiment, 2014
Multimedia
SM Entertainment, 2014
Buku Teks
TVXQ
S.M Entertaiment, 2014
Multimedia
Hornstein, Norbert
MIT Press, 1990
Buku Teks
Koehn, Edward Henry
Summer Institute of Linguistics, [date of publication not identified]
Buku Teks