Vandersteen, Willy, author
Standaard, 2000
Buku Teks
Gim, Hyon-seng, author
Miresa, 2006
Buku Teks
[publisher not identified], [date of publication not identified]
Buku Teks
Ganbra, Rafael
Madrid Publicaciones Espanolas 1974
Buku Teks
Sin, Myung-ho, author
Kimyoungsa, 2009
Buku Teks