Gaya APA
Straffi, I.
(2011).
Winx Club, 6: Secret guardian (pelindung rahasia)
.
S.L.:
Citra Sastra Media.
Gaya MLA
Straffi, Iginio.
"Winx Club, 6: Secret guardian (pelindung rahasia)".
S.L.:
Citra Sastra Media,
2011.
Text / Book.