Gaya APA
Simanjuntak, John P.. (2003).
Public Relations .
Yogyakarta:
Graha ilmu.
Gaya Chicago
Simanjuntak, John P..
Public Relations.
Yogyakarta:
Graha ilmu,
2003.
Text.
Gaya MLA
Simanjuntak, John P..
Public Relations.
Yogyakarta:
Graha ilmu,
2003.
Text.
Gaya Turabian
Simanjuntak, John P..
Public Relations.
Yogyakarta:
Graha ilmu,
2003.
Print.