APA Style
National Geographic : Rahasia Lumba-lumba. (2010).
:
.
Chicago Style
National Geographic : Rahasia Lumba-lumba.
.
:
,
2010.
Text.
MLA Style
National Geographic : Rahasia Lumba-lumba.
.
:
,
2010.
Text.
Turabian Style
National Geographic : Rahasia Lumba-lumba.
:
,
2010.
Print.