Gaya APA
Effendy.M.A., D, U.
(1989).
Human Relation dan Public Relation
(
7)
.
Amerika:
Sams.
Gaya MLA
Effendy.M.A., Drs.Onong, Uchjana.
"Human Relation dan Public Relation".
7
Amerika:
Sams,
1989.
Text.