<p>1. Madden, T. J., Ellen, P. S., &amp; Ajzen, 1. (1992). "A comparison of the theory of planned behavior and the theory of reasoned action" Personality and Social Psychology Bulletin, 18, 3-9.</p><p><br/>2. Netemeyer, R.G. and Bearden, W. O. A.(1992), "Comparative An analysis of Two Models of Behavioral Iniention" Journal of the Academy of Marketing Science, 20(l):49-59</p><p><br/>3. McArthur, L. A. (1972), "The how and what of why: some determinants and consequences of causal attribution" Journal of personality and social psychology, 22, 171-193</p><p><br/>4. Major, B. (1980), "Information acquisition and attribution processes" Journal of personality and social psychology, 39, 1010-23</p><p><br/>5. Wells, G. L., Harvey, J. H. (1977), "Do people use consensus information in making causal attributions?" Journal of personality and social psychology, 35, 279-93</p><p><br/>6. Price, L. L., L. F. Feick and R. A. Higie (1989), "Preference heterogeneity and coorientation as determinants of perceived informational influence" Journal of Business Research, Vol. 19, November, pp. 227-42</p><p><br/>7. chan, H. (2000), "Adaptive word of mouth behavior: a conceptual framework and empirical tests" Doctor dissertation, The university of Wisconsin-Madison</p><p><br/>8. Ward, J. C., and Ostrom, A. L. (2003), "The internet as information minefield: an analysis of the source and content of brand information yielded by net searches" Journal of Business Research, 56(11), 907-914</p>