TY  - BOOK
AU  - Skarbek, David 
TI  - The social order of the underworld :  how prison gangs govern the American penal system 
SN  - 978-00-19-932850-5
U1  - 365.6 SKA 
PY  - 2014///
CY  - Oxford 
PB  -   Oxford University Press
KW  - Prison gangs - United States
ER  -