Zimring, F. E., & Hawkins, G. (1997). Crime is not the problem: Lethal violence in America. Oxford University Press.
Dyfyniad Arddull ChicagoZimring, Franklin E., and Gordon Hawkins. Crime Is Not the Problem: Lethal Violence in America. New York: Oxford University Press, 1997.
Dyfyniad MLAZimring, Franklin E., and Gordon Hawkins. Crime Is Not the Problem: Lethal Violence in America. Oxford University Press, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.