Title from PDF title screen (ncjrs.gov, viewed Dec. 20, 2010).
"October 2010."
"Comprehensive Gang Model developed by Dr. Irving Spergel and his colleagues at the University of Chicago"--Acknowledgments.
Bibliography
Includes bibliographical references (p. 50-51).
Note
"NCJ 231200."
Funding
"This document was prepared by the National Gang Center under cooperative agreement number 2007-JV-FX-0008 from the Office of Juvenile Justice and Delinquency Prevention (OJJDP)."