Gaya APA
agency. (2011).
do anything with google .
Jakarta:
Elex Media Komputindo.
Gaya Chicago
agency.
do anything with google.
Jakarta:
Elex Media Komputindo,
2011.
Text.
Gaya MLA
agency.
do anything with google.
Jakarta:
Elex Media Komputindo,
2011.
Text.
Gaya Turabian
agency.
do anything with google.
Jakarta:
Elex Media Komputindo,
2011.
Print.