1. Respite care needs of parents of children with developmental disabilities;Abelson;Focus on Autism and Other Developmental Disabilities,1999
2. Australian Government 2011 2010-2020 National disability strategy http://www.coag.gov.au/coag_meeting_outcomes/2011-02-13/docs/national_disability_strategy_2010-2020.pdf
3. Effects of children with Down syndrome on parents’ activities;Barnett;American Journal on Mental Retardation,1995