EmersonEHattonC (2008) People with Learning Disabilities in England. Lancaster: Centre for Disability Research.
2.
EmersonEKiernanCAlborzAReevesDMasonHSwarbrickRMasonLHattonC (2001) The prevalence of challenging behaviours: a total population study. Research in Developmental Disabilities22 (1): 77–93.
3.
Healthcare Commission (2007) A Life Like No Other. London: Commission for Healthcare Audit and Inspection.
4.
LovettH (1995) Learning to Listen. London: Jessica Kingsley.
5.
Mackenzie-DaviesNMansellJ (2007) Assessment and treatment units for people with intellectual disabilities and challenging behaviour in England. Journal of Intellectual Disability Research51 (10): 802–811.