Gaya APA
Chick Bill Seri 6. (2001).
Jakarta:
Gramedia.
Gaya Chicago
Chick Bill Seri 6.
2001.
Jakarta:
Gramedia,
2001.
Text.
Gaya MLA
Chick Bill Seri 6.
2001.
Jakarta:
Gramedia,
2001.
Text.
Gaya Turabian
Chick Bill Seri 6.
Jakarta:
Gramedia,
2001.
Print.