Gaya APA
National Geographic Indonesia. (2023).
:
Gramedia.
Gaya Chicago
National Geographic Indonesia.
.
:
Gramedia,
2023.
Text.
Gaya MLA
National Geographic Indonesia.
.
:
Gramedia,
2023.
Text.
Gaya Turabian
National Geographic Indonesia.
:
Gramedia,
2023.
Print.