Gaya APA
Skerry, Brian. (2018).
National Geographic Hiupedia .
Jakarta:
Kepustakaan Populer Gramedia.
Gaya Chicago
Skerry, Brian.
National Geographic Hiupedia.
Jakarta:
Kepustakaan Populer Gramedia,
2018.
Text.
Gaya MLA
Skerry, Brian.
National Geographic Hiupedia.
Jakarta:
Kepustakaan Populer Gramedia,
2018.
Text.
Gaya Turabian
Skerry, Brian.
National Geographic Hiupedia.
Jakarta:
Kepustakaan Populer Gramedia,
2018.
Print.