1. Taken from <http://www.brainyquote.com/quotes/quotes/a/aristotle402049.html>, accessed on May 23, 2011.
2. R.E. Petty and J.T. Cacioppo, “The Elaboration Likelihood Model of Persuasion,” Advances in Experimental Social Psychology (1986) 19: 123–205.
3. R.B. Cialdini, “Interpersonal Influence” in S. Shavitt and T.C. Brock, eds., Persuasion: Psychological Insights and Perspectives (Boston, MA: Allyn & Bacon, 1994).
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