Jansen, M. A. (1992). A promising future: Alcohol and other drug problem prevention services improvement. OSAP prevention monograph.
Chicago-Zitierstil (17. Ausg.)Jansen, Mary A. "A Promising Future: Alcohol and Other Drug Problem Prevention Services Improvement." OSAP Prevention Monograph 1992.
MLA-Zitierstil (9. Ausg.)Jansen, Mary A. "A Promising Future: Alcohol and Other Drug Problem Prevention Services Improvement." OSAP Prevention Monograph, 1992.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.