1. NeilsenWire. (2009, July 7). Global advertising: Consumers trust real friends and virtual strangers the most. Retrieved 7 July, 2013, from http://www.nielsen.com/us/en/newswire/2009/global-advertising-consumers-trust-real-friends-and-virtual-strangers-the-most.html.
2. Teen perceptions of disclosure in buzz marketing
3. JUBILEE: monitoring user information behaviour in the electronic age
4. Barksy J. & Honeycutt R. (2010, 13 September). Balance your feedback strategy. Retrieved from http://www.hospitalitynet.org/news/4048255.html.