Siebert, F. S. 1., & Siebert, F. S. 1. (1963). Four theories of the press: The authoritarian, liberarian, social responsability, and soviet communist concepts of what the press should be and do. Urbana: University of Illinois Press.
Citación estilo ChicagoSiebert, Frederick Seaton 1902-, y Frederick Seaton 1902- Siebert. Four Theories of the Press: The Authoritarian, Liberarian, Social Responsability, and Soviet Communist Concepts of What the Press Should Be and Do. Urbana: University of Illinois Press, 1963.
Cita MLASiebert, Frederick Seaton 1902-, y Frederick Seaton 1902- Siebert. Four Theories of the Press: The Authoritarian, Liberarian, Social Responsability, and Soviet Communist Concepts of What the Press Should Be and Do. Urbana: University of Illinois Press, 1963.