Gaya APA
Sitepu, E, S., Faulina, .
(2011).
Profesional public relations
(
Cet.1)
.
Medan:
USU Press.
Gaya MLA
Sitepu, Edy, Sahputra., Faulina, .
"Profesional public relations".
Cet.1
Medan:
USU Press,
2011.
Textbook.