Sansfaçon, D., Welsh, B., & Waller, I. (1999). Crime prevention digest II: Comparative analysis of successful community safety. International Centre for the Prevention of Crime.
Cita Chicago Style (17a ed.)Sansfaçon, Daniel, Brandon Welsh, y Irvin Waller. Crime Prevention Digest II: Comparative Analysis of Successful Community Safety. Montreal: International Centre for the Prevention of Crime, 1999.
Cita MLA (8a ed.)Sansfaçon, Daniel, et al. Crime Prevention Digest II: Comparative Analysis of Successful Community Safety. International Centre for the Prevention of Crime, 1999.
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