Shigehiro Kokutani, author
Graduate School of Language and Culture, Osaka University, 2018
Artikel Jurnal
Comrie, Bernard, 1947-, author
Cambridge University Press, 1985
Buku Teks
Koch, Janice, author
Wadsworth , 2012
Buku Referensi
TVXQ
S.M Entertaiment, 2014
Multimedia
SM Entertainment, 2014
Buku Teks