Jeffres, L. W. (1986). Mass media processes and effects. Waveland Press.
Cita Chicago (17th ed.)Jeffres, Leo W. Mass Media Processes and Effects. Prospect Height, Ill: Waveland Press, 1986.
Cita MLA (9th ed.)Jeffres, Leo W. Mass Media Processes and Effects. Waveland Press, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.