1. American Psychiatric Association (2013). Diagnostic and Statistical Manual of Mental Disorders, American Psychiatric Association. [5th ed.].
2. Schalock, R.L., Borthwick-Duffy, S.A., Bradley, V.J., Buntinx, W.H.E., Coulter, D.L., Craig, E.M., Gomez, S.C., Lachapelle, Y., Luckasson, R., and Reeve, A. (2010). Intellectual Disability: Diagnosis, Classification, and Systems of Supports, American Association on Intellectual and Developmental Disabilities. [11th ed.].
3. World Health Organization (2020, August 19). ICD-11 for Mortality and Morbidity Statistics. Available online: https://icd.who.int/browse11/l-m/en#/.
4. Schalock, R.L., and Verdugo, M.A. (2002). Handbook on Quality of Life for Human Service Practitioners, American Association on Mental Retardation.
5. The contemporary view of intellectual and developmental disabilities: Implications for psychologists;Schalock;Psicothema,2019