Gaya APA
Rowling, J. et al (2021).
Petualangan Jack & Piggy Natal = The Christmas pig .
Jakarta:
Gramedia Pustaka Utama.
Gaya MLA
Rowling, J.K.. et al.
"Petualangan Jack & Piggy Natal = The Christmas pig".
Jakarta:
Gramedia Pustaka Utama,
2021.
Text.