1. AOL. (2000). American Online/Roper Starch Cyberstudy 2000. Roper #CNT375.
2. A discriminant analysis of economic, demographic, and attitudinal characteristics of bank change-card holders;Awh;Journal of Finance,1974
3. Benton Foundation. (2002). Cuts in federal spending: CTC, TOP, PT3 programs. February 11. http://www.benton.org/press/2002/fundingchart.gif
4. Citizens, computers, and connectivity;Bikson,1999
5. Brown, B., Green, N., & Harper, R. (2001) (Eds.). Wireless world: social, cultural and interactional issues in mobile communications and computing. London: Springer.