1. ABC's 20/20 2006 Asexuality with Dr. Joy Davidson [video clip] http://www.asexuality.org/home/video.html
2. Diagnostic and Statistical Manual of Mental Disorders
3. American Psychological Association Council of Representatives 2009 Resolution on appropriate affirmative responses to sexual orientation distress and change efforts http://www.apa.org/about/policy/sexual-orientation.aspx
4. Guidelines for psychotherapy with lesbian, gay, and bisexual clients;American Psychological Association;The American Psychologist,2012