1. American Psychiatric Association. (1980). Diagnostic and statistical manual of mental disorders: DSM-III (3rd ed.). Washington, DC: American Psychiatric Association.
2. American Psychiatric Association. (1987). Diagnostic and statistical manual of mental disorders: DSM-III-R (3rd ed., revised). Washington, DC: American Psychiatric Association.
3. American Psychiatric Association. (1994). Diagnostic and statistical manual of mental disorders: DSM-IV (4th ed.). Washington, DC: American Psychiatric Association.
4. American Psychiatric Association. (2013). Diagnostic and statistical manual of mental disorders (5th ed.). Arlington, VA: American Psychiatric Publishing.
5. Avery, S., Thornton-Wells, T., & Blackford, J. (2011). Altered white matter integrity of prefrontal-amygdala pathways in Williams syndrome. Biological Psychiatry, 1, 255S.