Gaya APA
Ann, K., Uma, D.
(2014).
To Be a Perfect Student : Sekolah Santai, Nilai Perfect
.
Yogyakarta:
Certe Posse.
Gaya MLA
Ann, Katharina., Uma, Dewi.
"To Be a Perfect Student : Sekolah Santai, Nilai Perfect".
Yogyakarta:
Certe Posse,
2014.
Text.