APA Style
Koster, A, S. (2017).
Disney Olaf's Frozen Adventure : The Movie Storybook .
Jakarta:
PT Gramedia Pustaka Utama.
MLA Style
Koster, Amy, Sky.
"Disney Olaf's Frozen Adventure : The Movie Storybook".
Jakarta:
PT Gramedia Pustaka Utama,
2017.
Text.