Berelson, B., & Janowitz, M. (1950). Reader in public opinion and communication. Free Press.
Cita Chicago (17th ed.)Berelson, Bernard, i Morris Janowitz. Reader in Public Opinion and Communication. New York: Free Press, 1950.
Cita MLA (9th ed.)Berelson, Bernard, i Morris Janowitz. Reader in Public Opinion and Communication. Free Press, 1950.
Atenció: Aquestes cites poden no estar 100% correctes.