1. American Psychiatric Association. (1994). Diagnostic and statistical manual of mental disorders (4th ed.). Washington, DC: Author.
2. American Psychiatric Association. (2013). Diagnostic and statistical manual of mental disorders (5th ed.). Washington, DC: Author.
3. Australian Government. (2015). Disability and carers: Helping children with autism (HCWA) eligibility Retrieved Aug 18, 2016, from https://www.dss.gov.au/our-responsibilities/disability-and-carers/program-services/for-people-with-disability/is-my-child-eligible .
4. Cicchetti, D. V., & Sparrow, S. A. (1981). Developing criteria for establishing interrater reliability of specific items: Applications to assessment of adaptive behavior. American Journal of Mental Deficiency, 86, 127–137.
5. Fleiss, J. L. (1971). Measuring nominal scale agreement among many raters. Psychological Bulletin, 76, 378–382.