Eighth United Nations Congress on the Prevention of Crime and the Treatment of Offenders : Havana, 27 August - 7 September 1990 /
United Nations Congress on the Prevention of Crime and the Treatment of Offenders(8th :1990 :Havana, Cuba)
United Nations.Secretariat.
New York : United Nations,
1991.
A/CONF.144/28/Rev.1.
Crime prevention