National Gang Center. (2020). National Youth Gang Survey Analysis 1996-2012. National Gang Center.
Cita Chicago Style (17a ed.)National Gang Center. National Youth Gang Survey Analysis 1996-2012. National Gang Center, 2020.
Cita MLA (9a ed.)National Gang Center. National Youth Gang Survey Analysis 1996-2012. National Gang Center, 2020.
Precaución: Estas citas no son 100% exactas.