Presland, J. L. (1989). Overcoming difficult behaviour: : a guide and sourcebook for helping people with severe mental handicaps. BIMH.
Chicago Style (17th ed.) CitationPresland, John L. Overcoming Difficult Behaviour: : A Guide and Sourcebook for Helping People with Severe Mental Handicaps. Kidderminster: BIMH, 1989.
MLA (9th ed.) CitationPresland, John L. Overcoming Difficult Behaviour: : A Guide and Sourcebook for Helping People with Severe Mental Handicaps. BIMH, 1989.
Warning: These citations may not always be 100% accurate.