National Crime Prevention Institute. (1986). Understanding crime prevention. Butterworths.
Cita Chicago Style (17a ed.)National Crime Prevention Institute. Understanding Crime Prevention. Boston [u.a.]: Butterworths, 1986.
Cita MLA (8a ed.)National Crime Prevention Institute. Understanding Crime Prevention. Butterworths, 1986.
Precaución: Estas citas no son 100% exactas.