Gaya APA
Heller, Robert. (2005).
Communicate Clearly .
Jakarta:
Dian Rakyat.
Gaya Chicago
Heller, Robert.
Communicate Clearly.
Jakarta:
Dian Rakyat,
2005.
Text.
Gaya MLA
Heller, Robert.
Communicate Clearly.
Jakarta:
Dian Rakyat,
2005.
Text.
Gaya Turabian
Heller, Robert.
Communicate Clearly.
Jakarta:
Dian Rakyat,
2005.
Print.