1. SI Paper;C. Aitken,1995
2. CDP Paper;D. Anderson,1995
3. Anderson, S., and Leitch, S. (1994).The Scottish Crime Survey 1993: First Results, Scottish Office Central Research Unit, Edinburgh.
4. Beck, G. (1995). Bullying among young offenders in custody. In Clark, N. K., and Stephenson, G. M. (eds.),Criminal Behavior: Perceptions, Attributions and Rationality, British Psychological Society. Leicester, pp. 54–70.
5. Bennett, T. H. (1990).Evaluating Neighborhood Watch, Gower, Aldershot.