Vereinte Nationen. (1993). Crime trends and criminal justice operations at the regional and interregional levels: Results of the third United Nations survey of crime trends, operations of criminal justice systems and crime prevention strategies.
Cita Chicago Style (17a ed.)Vereinte Nationen. Crime Trends and Criminal Justice Operations at the Regional and Interregional Levels: Results of the Third United Nations Survey of Crime Trends, Operations of Criminal Justice Systems and Crime Prevention Strategies. New York, 1993.
Cita MLA (8a ed.)Vereinte Nationen. Crime Trends and Criminal Justice Operations at the Regional and Interregional Levels: Results of the Third United Nations Survey of Crime Trends, Operations of Criminal Justice Systems and Crime Prevention Strategies. 1993.