1. Adamoli, S., Di Nicola, A., Savona, E., & Zoffi, P. (1998). european institute for crime prevention and control, HEUNI. , Retrieved from
http://www.heuni.fi/uploads/mmadzpnix.pdf
. Accessed 13 Mar 2013.
2. Anderson, C. (2006). The Long Tail: Why the Future of Business is Selling Less of More. New York: Hyperion.
3. BBC. (2007). ‘Arrests made in botnet crackdown’, BBC news online, 30 November, [Online].
http://news.bbc.co.uk/1/hi/technology/7120251.stm
. Accessed 13 Mar 2013.
4. Brenner, S. (2002). ‘Organized cybercrime? How cyberspace may affect the structure of criminal relationships’. North Carolina Journal of Law & Technology, 4(1), 1–41.
5. C’T. (2004). ‘Uncovered: trojans as spam robots’, C’T Magazine, 23 February.
www.heise.de/english/newsticker/news/44879
. Accessed 13 Mar 2013.