Criminology, vol. 26, no. 1, 1988.
Dyfyniad Arddull ChicagoCriminology, Vol. 26, No. 1, 1988. American Society of Maryland.
Dyfyniad MLACriminology, Vol. 26, No. 1, 1988.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.
Criminology, vol. 26, no. 1, 1988.
Dyfyniad Arddull ChicagoCriminology, Vol. 26, No. 1, 1988. American Society of Maryland.
Dyfyniad MLACriminology, Vol. 26, No. 1, 1988.