APA Style
K, D., Widhayati, M. (2017).
Sumatera Utara : Putri Ular = Snake Princess .
Jakarta, Indonesia:
PT Bhuana Ilmu Populer.
MLA Style
K, Dian., Widhayati, Mira.
"Sumatera Utara : Putri Ular = Snake Princess".
Jakarta, Indonesia:
PT Bhuana Ilmu Populer,
2017.
Text.