Cita APA (7a ed.)
Phillips, D. (2003). Online public relations. Grada Publishing.
Cita Chicago Style (17a ed.)
Phillips, David. Online Public Relations. Praha: Grada Publishing, 2003.
Cita MLA (9a ed.)
Phillips, David. Online Public Relations. Grada Publishing, 2003.
Precaución: Estas citas no son 100% exactas.