论文选题更改，急求口碑营销文献，请诸位多多帮忙！

1、Word of mouth as a promotional tool for turbulent markets. By: Mason, Roger B.. Journal of Marketing Communications, Sep2008, Vol. 14 Issue 3, p207-224, 18p; DOI: 10.1080/13527260701754258

2、Upsetting brand extensions: An enquiry into current customers' inclination to spread negative word of mouth. By: Sjödin, Henrik. Journal of Brand Management, Apr2008, Vol. 15 Issue 4, p258-271, 14p, 2 charts, 1 diagram; DOI: 10.1057/palgrave.bm.2550113; (AN 30066158)

3、Word of mouth and viral marketing: taking the temperature of the hottest trends in marketing
Rick Ferguson. The Journal of Consumer Marketing. Santa Barbara: 2008. Vol. 25, Iss. 3; p. 179

4、Factors influencing word of mouth effectiveness: receiver perspectives
Jillian C. Sweeney, Geoffrey N. Soutar, Tim Mazzarol. European Journal of Marketing. Bradford: 2008. Vol. 42, Iss. 3/4; p. 344

5、Online Consumer Review: Word-of-Mouth as a New Element of Marketing Communication Mix
Yubo Chen, Jinhong Xie. Management Science. Linthicum: Mar 2008. Vol. 54, Iss. 3; p. 477 (15 pages)

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