ESTADOS UNIDOS. U.S. Department of Homeland Security. Secret Service
Campus attacks [Documento elecrónico] : targeted violence affecting institutions of higher education / Diana A. Drysdale, William Modzeleski, Andre B. Simons . - Washington, D.C. : U.S. Secret Service; Office of Safe and Drug-Free Schools; Federal Bureau of Investigation, 2010 . - 1 CD-ROM; 12 cm
VIOLÊNCIA NA ESCOLA / ESTABELECIMENTO DE ENSINO / ENSINO SUPERIOR / ESTADOS UNIDOS /