01091nam0-22003491i-450-99000376808040332120120322100702.00-252-72421-6000376808FED01000376808(Aleph)000376808FED0100037680820030910d1956----km-y0itay50------baengUSy-------001cyFour theories of the pressthe authoritarian, libertarian, social responsability and soviet communist concepts of what the press should be and doF. Siebert , Th. Peterson , W. Schramm.ChicagoUniversity Press of Illinois©1956153 p.20 cmContiene riferimenti bibl. (pp147-153)Giornalismo07022itaSiebert,Fred143147Peterson,TH.Schramm,W.ITUNINARICAUNIMARCBK990003768080403321070 SIE 12430BFSBFSFour theories of the press510586UNINA