Gaya APA
Cutlip.dkk, S, M.
(1978).
Effective public Relation 5th Edition
(
-)
.
-:
Prentice-Hall.
Gaya MLA
Cutlip.dkk, Scott, M..
"Effective public Relation 5th Edition".
-
-:
Prentice-Hall,
1978.
Text.