(2001). How to develop and implement a national drug policy (2nd ed.). World Health Organization.
Chicago-Zitierstil (17. Ausg.)How to Develop and Implement a National Drug Policy. 2nd ed. Geneva: World Health Organization, 2001.
MLA-Zitierstil (9. Ausg.)How to Develop and Implement a National Drug Policy. 2nd ed. World Health Organization, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.