USA Department of Education. (1986). What works: Schools without drugs. Schools Without Drugs.
Chicago-Zitierstil (17. Ausg.)USA Department of Education. What Works: Schools Without Drugs. Pueblo, Colo: Schools Without Drugs, 1986.
MLA-Zitierstil (9. Ausg.)USA Department of Education. What Works: Schools Without Drugs. Schools Without Drugs, 1986.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.