1. Alexander, P. C., & Warner, S. (2003). Attachment theory and family systems theory as frameworks for understanding the intergenerational transmission of family violence. In P. Erdman & T. Caffery (Eds.), Attachment and family systems: Conceptual, empirical, and therapeutic relatedness. (pp. 241–257). New York: Brunner-Routledge.
2. American Psychiatric Association. (2013). Diagnostic and statistical manual of mental disorders (5th ed., text revision). Washington, DC: American Psychiatric Publishing.
3. American Psychological Association. (2015). Guidelines for psychological practice with transgender and gender nonconforming people. Retrieved from http://www.apa.org/practice/guidelines/transgender.pdf
4. American Psychological Association Task Force on Gender Identity and Gender Variance. (2009). Report of the task force on gender identity and gender variance. Washington, DC: American Psychological Association. Retrieved from http://www.apa.org/pi/lgbt/resources/policy/gender-identityreport.pdf
5. Austin, A., & Craig, S. L. (2015). Transgender affirmative cognitive behavioral therapy: Clinical considerations and application. Professional Psychology: Research and Practice, 46, 2129. https://doi.org/10.1037/a0038642