Gaya APA
Syilphid 6. (2000).
Jakarta:
Elex Media Computindo.
Gaya Chicago
Syilphid 6.
2000.
Jakarta:
Elex Media Computindo,
2000.
Text.
Gaya MLA
Syilphid 6.
2000.
Jakarta:
Elex Media Computindo,
2000.
Text.
Gaya Turabian
Syilphid 6.
Jakarta:
Elex Media Computindo,
2000.
Print.