Prosecuting Gangs: A National Assessment. US Department of Justice.
Dyfyniad Arddull ChicagoProsecuting Gangs: A National Assessment. US Department of Justice.
Dyfyniad MLAProsecuting Gangs: A National Assessment. US Department of Justice.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.