Gaya APA
Ries, A., Ries, L.
(2002).
The Fall Of Advertaising And The Rise Of PR
.
New York:
HarperBusiness.
Gaya MLA
Ries, Al., Ries, Laura.
"The Fall Of Advertaising And The Rise Of PR".
New York:
HarperBusiness,
2002.
Text.