Gaya APA
Why? Water : Air. (2010).
Jakarta:
Elex Media Komputindo.
Gaya Chicago
Why? Water : Air.
.
Jakarta:
Elex Media Komputindo,
2010.
Text.
Gaya MLA
Why? Water : Air.
.
Jakarta:
Elex Media Komputindo,
2010.
Text.
Gaya Turabian
Why? Water : Air.
Jakarta:
Elex Media Komputindo,
2010.
Print.