Liestøl, G & Rasmussen T.: Digitale medier. En innføring., 2003. Universitetsforlaget . 200 s.
Castells, M : The Internet Galaxy, 2001. Oxford University Press. 230s.
Packer, R & Jordan, K.: Multimedia. From Wagner to virtual Reality. , 2001. New York: WW Norton. 380 s..