Four theories of the press the authoriatarian, libertarian, social responsibility, and Soviet communist concepts of what the press should be and do

Xehetasun bibliografikoak
Egile nagusia: Siebert, frederick Seaton 1902-
Formatua: Liburua
Hizkuntza:English
Argitaratua: Urbana University of Illinois Press c1956.
Saila:Illini book IB-15
Gaiak: