Office of Applied Studies. (2007). Youth Activities, Substance Use, and Family Income. Substance Abuse and Mental Health Services Administration.
Chicago-Zitierstil (17. Ausg.)Office of Applied Studies. Youth Activities, Substance Use, and Family Income. Substance Abuse and Mental Health Services Administration, 2007.
MLA-Zitierstil (9. Ausg.)Office of Applied Studies. Youth Activities, Substance Use, and Family Income. Substance Abuse and Mental Health Services Administration, 2007.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.