Presley, D. B. (1996). School personnel perceptions of youth gangs presence, activity at middle schools in the Caddo Parish School System Caddo Parish, Louisiana.
Cita Chicago Style (17a ed.)Presley, Daniel Blaine. School Personnel Perceptions of Youth Gangs Presence, Activity at Middle Schools in the Caddo Parish School System Caddo Parish, Louisiana. 1996.
Cita MLA (8a ed.)Presley, Daniel Blaine. School Personnel Perceptions of Youth Gangs Presence, Activity at Middle Schools in the Caddo Parish School System Caddo Parish, Louisiana. 1996.
Precaución: Estas citas no son 100% exactas.