Gaya APA
JEFKINS, Frank. (1992).
Public relations (4).
Jakarta:
Erlangga.
Gaya Chicago
JEFKINS, Frank.
Public relations.
4
Jakarta:
Erlangga,
1992.
.
Gaya MLA
JEFKINS, Frank.
Public relations.
4
Jakarta:
Erlangga,
1992.
.
Gaya Turabian
JEFKINS, Frank.
Public relations.
4
Jakarta:
Erlangga,
1992.
.