Jeffery, C. R. (1977). Crime prevention through environmental design. Sage Publications.
Dyfyniad Arddull ChicagoJeffery, C. Ray. Crime Prevention Through Environmental Design. London: Sage Publications, 1977.
Dyfyniad MLAJeffery, C. Ray. Crime Prevention Through Environmental Design. Sage Publications, 1977.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.