Gaya APA
Gassing, Syarifuddin S.. (2016).
Public relations .
Yogyakarta:
ANDI.
Gaya Chicago
Gassing, Syarifuddin S..
Public relations.
Yogyakarta:
ANDI,
2016.
Text.
Gaya MLA
Gassing, Syarifuddin S..
Public relations.
Yogyakarta:
ANDI,
2016.
Text.
Gaya Turabian
Gassing, Syarifuddin S..
Public relations.
Yogyakarta:
ANDI,
2016.
Print.