1. http://analogik.com/article_analysis_of_consumer_behaviour_online.asp [27april 2010]
2. http://www.essays.se/essay/e1fb0c636f/ [13april 2010]
3. http://www.tealeaf.com/Harris/[12april]
4. http://inderscience.metapress.com/app/home/contribution.asp?referrer=parent&backto=is sue,2,6;journal,15, 40;linking publicationresults, 1:11 08 44 ,1[11april 2010]
5. http://www.inderscience.com/search/index.php?action=record&rec_id=32383&prevQuer y=&ps=10&m=or1m[12 may 2010]
6. International Journal of Business Innovation and Research 2010 - Vol. 4, No.3 pp. 195 - 209)
7. http://www.lotsofessays.com/viewpaper/1693412.html [11april 2010]