3Anderson,Customer Satisfaction and Word of Mouth. Journal of Service, No. 1, 1998, pp. 5- 17.
4Biekhart, Barbara, and Robert M. Schindler, Internet Forums as Influential Sources of Consumer Information. Journalof Interactive Marketing , 15 (3), 2001 , pp. 31-40.
5Briggs, R. and N. Hollis, Advertising on the Web: Is there Response Before Click-Through. Journal of Advertising Research, Vol. 37, 1997, pp. 33-45.
6Chevalier, J. and Mayzlin, Dina,The Effect of Word of Mouth on Sales: Online Book Reviews. Journal of Marketing Research, Vol . 43,No. 3, 2006, pp. 345-354.
7Ghose, Anindya,Internet Exchanges for Used Books: An Empirical Analysis of Product Cannibalization artd Welfare Impact. Information Systems Research, Vol. 1, 2006 , pp. 3- 19.
8Gelh, betsy and Madeline Johnson, Word of mouth communication case and consequences. Journal of Health Care Marketing,Vol. 15,No. 3, 1995, pp. 54-58.
9Goldsmith Ronald E, David Horowitz, Measuring Motivations for Online Opinion Seeking. Journal of interactive advertising. Vol. 6,No. 2,2006, pp. 69-86.
10Hennig-Thurau, Kevin P,Electronic Word-of-Mouth via Consumer-Opinion Platforms: What Motivates Consumers to Articulate Themselves on the Internet? Journal of Interactive Marketing, Vol. 18, No. 1, 2004, pp. 38-52.
