Cressey, D. R. (1964). Deliquency Crime and Differential Association. Martinus Nijhoff.
Dyfyniad Arddull ChicagoCressey, Donald R. Deliquency Crime and Differential Association. Hague: Martinus Nijhoff, 1964.
Dyfyniad MLACressey, Donald R. Deliquency Crime and Differential Association. Martinus Nijhoff, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.