Gaya APA
Kayoula, S.
(2015).
The Ultrasmart Holiday : Ketika Liburan Mengubah Masa Depan
.
Solo:
Metamind.
Gaya MLA
Kayoula, Shely.
"The Ultrasmart Holiday : Ketika Liburan Mengubah Masa Depan".
Solo:
Metamind,
2015.
Book.