Webber, J. A. ([2017]). Beyond Columbine: School violence and the virtual. Violence studies.
Cita Chicago Style (17a ed.)Webber, Julie A. "Beyond Columbine: School Violence and the Virtual." Violence Studies [2017].
Cita MLA (9a ed.)Webber, Julie A. "Beyond Columbine: School Violence and the Virtual." Violence Studies, [2017].
Precaución: Estas citas no son 100% exactas.