"authors","title","secondary title or journal name","volume","issue no.","start page","end page","publisher","publication year"
"Astor, R.A.; Behre, W.J.; Fravil, K.A.; Wallace, J.M., Jr.","Perceptions of school violence as a problem and reports of violent events: A national survey of school social workers","Social Work","42","1","55","68","","1997"