References
- Bellah , R. N. , Madsen , R. , Sullivan , W. , Swidler , A. and Tipton , M. 1990 . Habits of the Heart: Individualism and Commitment in American Life , Berkley : University of California Press .
- Sampson , R. , Raudenbush , S. and Earls , F. 1997 . Neighborhoods and violent crime: a multi‐level study of collective efficacy . Science Magazine , 277 (4) : 918 – 924 .