Gaya APA
Sitepu, Syahputra Edy. (2011).
profesional Public Relations .
Medan:
USU Prees.
Gaya Chicago
Sitepu, Syahputra Edy.
profesional Public Relations.
Medan:
USU Prees,
2011.
Text.
Gaya MLA
Sitepu, Syahputra Edy.
profesional Public Relations.
Medan:
USU Prees,
2011.
Text.
Gaya Turabian
Sitepu, Syahputra Edy.
profesional Public Relations.
Medan:
USU Prees,
2011.
Print.