Helsinki Institute for Crime Prevention and Control. (1990). Criminal Justice Systems in Europe and North America. United Nations.
Cita Chicago Style (17a ed.)Helsinki Institute for Crime Prevention and Control. Criminal Justice Systems in Europe and North America. United Nations, 1990.
Cita MLA (9a ed.)Helsinki Institute for Crime Prevention and Control. Criminal Justice Systems in Europe and North America. United Nations, 1990.
Precaución: Estas citas no son 100% exactas.