בקשת ציטוטים :: Library Catalog

Peterson, T., & Schramm, W. (1956). Four theories of the press:: The authoritarian, libertarian, social responsibility, and Soviet communist concepts of what the press should be and do. University of Illinois.

Peterson, Theodore, and Wilbur Schramm. Four Theories of the Press:: The Authoritarian, Libertarian, Social Responsibility, and Soviet Communist Concepts of What the Press Should Be and Do. Urbana: University of Illinois, 1956.

Peterson, Theodore, and Wilbur Schramm. Four Theories of the Press:: The Authoritarian, Libertarian, Social Responsibility, and Soviet Communist Concepts of What the Press Should Be and Do. University of Illinois, 1956.