מילון מודפס-Printed 

Thomson Reuters.(2019). Penology. In Black's Law Dictionary (11th ed., p. 1369).

"The study of penal institutions, crime prevention, and the punishment and rehabilitation of criminals, including the art of fitting the right treatment to an offender (Thomson Reuters, 2019, p. 1369).

מילון אונליין-Online

 Penology. In Garner, B.A. (Ed.) Black's law dictionary (11th ed.). WESTLAW. 

אנציקלופדיה בדפוס-Printed

Singer, S.I. (2014). Juvenile Diversion. In Bruinsma, G., &Weisburd, D. (Eds.), Encyclopedia of Criminology and Criminal Justice (Vol. 6, pp. 2756-2765). Springer. 

 Online - אנציקלופדיה אונליין

Neissl, K., & Singer, S.S. (2020). Juvenile Delinquency in an International Context. In Pontell, H. (Ed.), Oxford Research Encyclopedia of Criminology and Criminal Justice. Oxford research encyclopedias. https://doi.org/10.1093/acrefore/9780190264079.013.567