Dyfyniad APA

Jeffery, C. R. (1977). Crime prevention through environmental design. Sage Publications.

Dyfyniad Arddull Chicago

Jeffery, C. Ray. Crime Prevention Through Environmental Design. London: Sage Publications, 1977.

Dyfyniad MLA

Jeffery, C. Ray. Crime Prevention Through Environmental Design. Sage Publications, 1977.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.