Gaya APA
effendy, O, U.
(1993).
human relations dan public relations
(
1)
.
bangkok, tailand:
Salemba Medika.
Gaya MLA
effendy, Onong, Uchjana.
"human relations dan public relations".
1
bangkok, tailand:
Salemba Medika,
1993.
Multimedia.