1. American Counseling Association. ACA Code of Ethics 2005 http://www.counseling.org/Resources/CodeOfEthics/TP/Home/CT2.aspx
2. American Psychological Association. Ethical Principles of Psychologists and Code of Conduct 2002 http://www.apa.org/ethics/code/index.aspx
3. and others. “Changes in Counseling Center Client Problems Across 13 Years.” Professional Psychology;Benton;Research and Practice,2003
4. “College and University Counseling Centers: Questions in Search of Answers.”;Bishop;Journal of College Counseling,2006
5. Center for the Study of Collegiate Mental Health 2009 http://www.sa.psu.edu/caps/research_center.shtml