Gaya APA
HAYNES, C. (1989).
A GUIDE SUCCESSFUL PUBLIC RELATIONS .
AMERIKA SERIKAT:
COLIN HAYNES AND ASSOCIATES, INC..
Gaya MLA
HAYNES, COLIN.
"A GUIDE SUCCESSFUL PUBLIC RELATIONS".
AMERIKA SERIKAT:
COLIN HAYNES AND ASSOCIATES, INC.,
1989.
Prodi S1 Teknologi Pangan.