Berelson, B., & Janowitz, M. (1967). Reader in public opinion and communication (2nd ed., 6th print.). Free Press.
Cita Chicago Style (17a ed.)Berelson, Bernard, y Morris Janowitz. Reader in Public Opinion and Communication. 2nd ed., 6th print. New York: Free Press, 1967.
Cita MLA (9a ed.)Berelson, Bernard, y Morris Janowitz. Reader in Public Opinion and Communication. 2nd ed., 6th print. Free Press, 1967.
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