Klapper, J. T. (1960). The effects of mass communication. Free Press.
Cita Chicago (17th ed.)Klapper, Joseph T. The Effects of Mass Communication. New York: Free Press, 1960.
Cita MLA (8th ed.)Klapper, Joseph T. The Effects of Mass Communication. Free Press, 1960.
Atenció: Aquestes cites poden no estar 100% correctes.