Gaya APA
Center, Allen H, Cutlip, Scott. (2000).
Effective public relations (8e).
London:
Prentice Hall.
Gaya Chicago
Center, Allen H, Cutlip, Scott.
Effective public relations.
8e
London:
Prentice Hall,
2000.
Buku.
Gaya MLA
Center, Allen H, Cutlip, Scott.
Effective public relations.
8e
London:
Prentice Hall,
2000.
Buku.
Gaya Turabian
Center, Allen H, Cutlip, Scott.
Effective public relations.
8e
London:
Prentice Hall,
2000.
Buku.