Johnstone, G., & Ward, T. (2010). Law and crime. Sage Publications.
Dyfyniad Arddull ChicagoJohnstone, Gerry, and Tony Ward. Law and Crime. London: Sage Publications, 2010.
Dyfyniad MLAJohnstone, Gerry, and Tony Ward. Law and Crime. Sage Publications, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.