Gaya APA
Communicative English For Office Staff And Administrative Assistants. (2009).
Depok:
Gratama Publishing.
Gaya Chicago
Communicative English For Office Staff And Administrative Assistants.
.
Depok:
Gratama Publishing,
2009.
Text.
Gaya MLA
Communicative English For Office Staff And Administrative Assistants.
.
Depok:
Gratama Publishing,
2009.
Text.
Gaya Turabian
Communicative English For Office Staff And Administrative Assistants.
Depok:
Gratama Publishing,
2009.
Print.