3BRISTOR J M. Enhanced explanations of word of mouth communica-tions :The power of relationships [ J]. Research in Consumer Behav-ior, 1990 (4) : 51 -83.
4SIlVERMAN G. The secrets of word of mouth marketing [ M]. NewYork,USA: Amazon, 2001.
5VENKATESH V, DAVIS f D. A theoretical extension of the tech-nology acceptance model : four longitudinal field studies [ J]. Man-agement Science,2000,46 (2) ; 186 -204.
6TAYlOR S,TODD P A. Understanding information technology us-age :A test of competing models [ J]. Information System Research,1995,6 (2): 145-176.
7NEWMAN P J. An investigation of consumer reactions to negativeword - of - mouth on the internet [ D]. Urbana - Champaign : Uni-versity of Illinois at Urbana - Champaign,2003.
8HEIJDEN H V. factors influencing the usage of websites : The caseof a generic portal in the Netherlands [ J]. Information and Man-agement, 2003, 40 (6) : 541 -549.
9VENKATESH V, MORRIS M G, DAVIS G B, et al. User accept-ance of information technology toward a unified view [ J]. MISQuarterly, 2003,27 (3) : 425 -78.
10TAYlOR S, TODD P A. Assessing IT usage: The role of prior ex-perience [J]. MIS Quarterly, 1995, 19 (4): 561 -570.
