6David R. Roskos-Ewoldsen, Jennifer L Monahan, Communication and Social Cognition : Theories and Methods, Lawrence Erlbaum Associates Inc. Press, 1982, P. 5.
7Steven Pinker, How the Mind Works, Penguin Group Press, 2009, P. 19.
8Theodore L Glasser, Charles T. Salmon, Public Opinion and the Communication of Consent, Guilford Publications Press, 1995, P. 217.