1. Diagnostic and statistical manual of mental disorders (DSM-5th edn.);American Psychiatric Association (APA),2013
2. Chapter 15;Autism Act 2009 (England and Wales),2009
3. Chapter 27;Autism Act (Northern Ireland) 2011,2011
4. Autism Speaks, 2013. Retrieved from: http://www.autismspeaks.org/ (in press).
5. The way we are: Autism in 2012;Bancroft,2012