Siebert, F. S., Peterson, T., & Schramm, W. (1963). 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 Press.
Цитирование в стиле Чикаго (17-е изд.)Siebert, Fred S., Theodore Peterson, и 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 Press, 1963.
Цитирование MLA (8-е изд.)Siebert, Fred S., et al. 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 Press, 1963.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.