APA Style
Boyer, Crispin. (2016).
National Geographic Kids : Mengapa? .
Jakarta:
Kepustakaan Populer Gramedia.
Chicago Style
Boyer, Crispin.
National Geographic Kids : Mengapa?.
Jakarta:
Kepustakaan Populer Gramedia,
2016.
Printed Book.
MLA Style
Boyer, Crispin.
National Geographic Kids : Mengapa?.
Jakarta:
Kepustakaan Populer Gramedia,
2016.
Printed Book.
Turabian Style
Boyer, Crispin.
National Geographic Kids : Mengapa?.
Jakarta:
Kepustakaan Populer Gramedia,
2016.
Printed Book.