Gaya APA
Seitel, Frases P. (1984).
the Practice of Public Relations (2).
New York:
Mc Graw Hill.
Gaya Chicago
Seitel, Frases P.
the Practice of Public Relations.
2
New York:
Mc Graw Hill,
1984.
Text.
Gaya MLA
Seitel, Frases P.
the Practice of Public Relations.
2
New York:
Mc Graw Hill,
1984.
Text.
Gaya Turabian
Seitel, Frases P.
the Practice of Public Relations.
2
New York:
Mc Graw Hill,
1984.
Print.