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2.
President's Commission on Law Enforcement and the Administration of Justice (1967) Task Force Report: The PoliceWashington, D.C.: Government Printing Office.
3.
Skolnick, J.H. (1966) Justice Without Trial: Law Enforcement in a Democratic SocietyNew York: John Wiley.
4.
Wilson, J.Q. (1968) "The police and the delinquent in two cities." in J. Q. Wilson (ed.) City Politics and Public Policy.New York: John Wiley.