1. Abbott, J.-A. M., Klein, B., & Ciechomski, L. (2008). Best practices in online therapy. Journal of Technology in Human Services, 26, 360–375.
2. Allen, J. L. (2009). The costs of E-Therapy. Retrieved April 30, 2011, from National Directory of Online Counselors: http://www.etherapyweb.com/costs.html .
3. APA. (2010). Ethical principles of psychologists and code of conduct: 2010 amendments. Retrieved April 30, 2011, from American Psychological Association: http://www.apa.org/ethics/code/index.aspx .
4. Blackburn, S. (2001). Being good: A short introduction to ethics. Oxford: Oxford University Press.
5. Centore, A. J. (2008). E-counseling.com update. Retrieved December 12, 2011, from American Association of Christian Counselors: http://www.aacc.net/2008/05/08/ecounselingcom-update-first-quarter-2008/ .