Blumler J. G. & E. Katz (1974). The Uses of Mass Communication. Newbury Park, CA: Sage
Freitag, A.R. (1998). How to Measure What We Do. Public Relations Quarterly, 43 (2), 42-47.
Funkhouser, G. R. (1973a). The issues of the sixties: an exploratory study in the dynamics of public opinion. Public Opinion Quarterly, 37(1), 62-75.
Funkhouser, G. R. (1973b). Trends in media coverage of the issues of the sixties. Journalism Quarterly, 50, 533-538.
Infante D., Rancer A. & Womack D. (1997) Building Communication Theory (3d Ed.). Prospect Heights, IL: Waveland Press Inc.
.Iyengar, S. and Kinder, D. (1986). More than meets the eye: TV news, priming, and public evaluatings of the president. In Comstock, G. (Ed.), Public Communication and Behavior 1. New York:Academic Press
Katz, D. & Kahn R. (1978). The Social Psychology of Organizations. New York:Wiley
Mathews, W. K. (2000). The heresy of media measurement. Communication World, 17 (3), 11-12.
McCombs, M. E., & Shaw, D. L. (1972). The agenda-setting function of the mass media. Public Opinion Quarterly, 36, 176-187.
McQuail, Denis (1987): Mass Communication Theory: An Introduction (2nd ed.). London: Sage
Rogers, E. M. (1983). Diffusion of Innovations (4th ed.). New York: The Free Press.