Gaya APA
Rowling, J., Field, J.
(2021).
Petualangan Jack & Piggy Natal
.
Jakarta:
Gramedia Pustaka Utama.
Gaya MLA
Rowling, J.K.., Field, Jim.
"Petualangan Jack & Piggy Natal".
Jakarta:
Gramedia Pustaka Utama,
2021.
Text.