APA Style
National Geographic, National Geographic. (2015).
N Ational Geographic; Oktober 2015 (1).
Jakarta:
National Geographic.
Chicago Style
National Geographic, National Geographic.
N Ational Geographic; Oktober 2015.
1
Jakarta:
National Geographic,
2015.
.
MLA Style
National Geographic, National Geographic.
N Ational Geographic; Oktober 2015.
1
Jakarta:
National Geographic,
2015.
.
Turabian Style
National Geographic, National Geographic.
N Ational Geographic; Oktober 2015.
1
Jakarta:
National Geographic,
2015.
.