TY - BOOK AU - Petersen,Rebecca D. TI - Understanding contemporary gangs in America: an interdisciplinary approach SN - 0130394742 : PAP AV - HV6439.U5 U53 2004 U1 - 364.1/06/608350973 21 PY - 2004/// CY - Upper Saddle River, N.J. PB - Prentice Hall KW - Gangs KW - United States KW - Juvenile delinquency N1 - Includes bibliographical references and index ER -