Ce dernier cite Neil Morgan, Harry Blagg (Crime Research Centre) et Victoria Williams (Aboriginal Legal Service of Western Australia (Inc.)), Mandatory Sentencing in Western Australia and the Impact on Aboriginal Youth, rédigé pour le Aboriginal Justice Council, Perth, décembre 2001.
The latter cites Neil Morgan, Harry Blagg, Crime Research Centre, and Victoria Williams, Aboriginal Legal Service of Western Australia (Inc.), Mandatory Sentencing in Western Australia and the Impact on Aboriginal Youth, prepared for Aboriginal Justice Council, Perth, December 2001.