Gaya APA
Pick up service. (2007).
Jakarta:
PT Elex Media Komputindo.
Gaya Chicago
Pick up service.
.
Jakarta:
PT Elex Media Komputindo,
2007.
Text.
Gaya MLA
Pick up service.
.
Jakarta:
PT Elex Media Komputindo,
2007.
Text.
Gaya Turabian
Pick up service.
Jakarta:
PT Elex Media Komputindo,
2007.
Print.