1. American Psychiatric Association. Diagnostic and Statistical Manual of Mental Disorders. 5th ed. Washington, DC: American Psychiatric Association; 2013
2. American Psychiatric Association. Diagnostic and Statistical Manual of Mental Disorders. 4th ed. Washington, DC: American Psychiatric Association; 1994
3. Cunningham CE, McHolm AE, Boyle MH. Social phobia, anxiety, oppositional behavior, social skills, and self-concept in children with specific selective mutism, generalized selective mutism, and community controls. European Child & Adolescent Psychiatry Journal. 2006;15:245-255
4. Kearney CA. Silence Is Not Golden: Strategies for Helping the Shy Child. New York: Oxford University Press; 2011
5. Hung S, Spencer MS, Dronamraju R. Selective mutism: Practice and intervention strategies for children. Children & Schools. 2012;34(4):222-230