1. 1. Agarwal, A. (2010, July 27). The legal issues around cloud computing. Retrieved February 10, 2014.
   2. Hurwitz, J., Bloor, R., Kaufman, M. & Halper F. (2009). Cloud computing for dummies. Hoboken, NJ: Wiley Pub.
   3. Miller, K. W. (2010). Ethical Analysis in the Cloud. IT Professional, 12(6), 7-9. doi:10.1109/MITP.2010.146
   4. Arutyunov, V.V. (2012). Cloud computing: Its history of development, modern state, and future considerations. Scientific and Technical Information Processing. 39(3). 173- 178. doi: 10.3103/S0147688212030082
   5. Bilton, N. (2009, December 24). Is our data too vulnerable in the cloud? The New York Times. Retrieved February 12, 2014 [6] Dropbox,http://www.dropbox.com
   6. arkhill,Douglas F.1996. the challenge of the computer utility. Addison Wesley Publishing Company, ASIN:B000O121OS [8] L. Albertson, “OpenStack vs. Ganeti”, LinuxFest Nortwest 2017
   7. Cloud Computing: Clash of the clouds”.The Economist, 2009-10-15. Retrived 2009-11-03.
   8. Ananich, Anthony (February 20, 2016). “What is IaaS?” ananich pro. Retrieved 2016-02-20.
   9. Compute Engine Pricing”, cloud.google.com. Retrived 7 July 2014
   10. Steven Levy(April 1994). “Bill and Andy‟s Excellent Adventure 2” Wired.
   11. Internet History 1997.