Janowitz, M., & Hirsch, P. M. (1981). Reader in public opinion and mass communication (3rd ed.). Free Press.
Cita Chicago (17th ed.)Janowitz, Morris, i Paul M. Hirsch. Reader in Public Opinion and Mass Communication. 3rd ed. New York: Free Press, 1981.
Cita MLA (9th ed.)Janowitz, Morris, i Paul M. Hirsch. Reader in Public Opinion and Mass Communication. 3rd ed. Free Press, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.