Reference works are typically encylopedias, handbooks, and dictionaries. NGTC library has several available electronically. Enjoy!
Encyclopedia of Community Policing and Problem Solving by 
Conflict Management for Security Professionals by 
Encyclopedia of Criminal Justice Ethics by 
Hate Crimes: a Reference Handbook, 3rd Edition by 
White-Collar and Corporate Crime by 
Wrongful Conviction and Criminal Justice Reform by 
Profiling and Criminal Justice in America by 
