Gaya APA
Petuangan Geng Bookworm 4. (1998).
Jakarta:
Gramedia Pustaka Utama.
Gaya Chicago
Petuangan Geng Bookworm 4.
.
Jakarta:
Gramedia Pustaka Utama,
1998.
Printed Book.
Gaya MLA
Petuangan Geng Bookworm 4.
.
Jakarta:
Gramedia Pustaka Utama,
1998.
Printed Book.
Gaya Turabian
Petuangan Geng Bookworm 4.
Jakarta:
Gramedia Pustaka Utama,
1998.
Printed Book.