Berelson, B. a. J. (1966). Reader in public opinion and communications. The Free Press.
Cita Chicago (17th ed.)Berelson, Bernard and Janowitz. Reader in Public Opinion and Communications. New York: The Free Press, 1966.
Cita MLA (9th ed.)Berelson, Bernard and Janowitz. Reader in Public Opinion and Communications. The Free Press, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.