1. chan, H. (2000), "Adaptive word of mouth behavior: a conceptual framework and empirical tests" Doctor dissertation, The university of Wisconsin-Madison
2. Bone, P. F. (1995), "Word of mouth effects on short-term and long-term product judgements" Journal of Business Research, Vol. 32, No. 3, pp. 213-23
3. 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
4. Wright, M. and M. MacRae (2007), "Bias and variability in purchase intention scales" Journal of the Academy of Marketing Science, 35(4), 617-624
5. Eagly, A. H., W. Wood and S. Chaiken (1978), "Causal inferences about communicators and their effects for opinion change" Journal of Personality and Social Psycholigy, Vol. 36, April, pp. 424-435
6. Feldman, J. M. and J. G. Lynch Jr. (1988), "Self-generated validity and other effects of measurement on belief, attitude, intention, and behavior" Journal of Applied Psychology, 73, 421-435
7. 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