1. Adler, J. E. (1990). Conservatism and tacit confirmation. Mind, 99, 559–570.
2. Adler, J. E. (2002). Belief’s own ethics. Cambridge, MA: MIT Press.
3. Anonymous, (2009). The avatar will see you now. Economist, 27, 92.
4. Anonymous. (2011). Evaluating health information. MedlinePlus, US National Library of Medicine. http://www.nlm.nih.gov/medlineplus/evaluatinghealthinformation.html . Accessed 26 January 2011.
5. Beauchamp, T. L., & Childress, J. F. (2009). Principles of biomedical ethics (6th ed.). New York: Oxford University Press.