Gaya APA
Mars. (2003).
Jakarta:
Elex Media Computindo.
Gaya Chicago
Mars.
2003.
Jakarta:
Elex Media Computindo,
2003.
Text.
Gaya MLA
Mars.
2003.
Jakarta:
Elex Media Computindo,
2003.
Text.
Gaya Turabian
Mars.
Jakarta:
Elex Media Computindo,
2003.
Print.