National School Boards Association. (1984). Toward better and safer schools: A school leader's guide to delinquency prevention.
Chicago-Zitierstil (17. Ausg.)National School Boards Association. Toward Better and Safer Schools: A School Leader's Guide to Delinquency Prevention. Washington, D.C, 1984.
MLA-Zitierstil (8. Ausg.)National School Boards Association. Toward Better and Safer Schools: A School Leader's Guide to Delinquency Prevention. 1984.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.