(1993). How to investigate drug use in health facilities: Selected drug use indicators. World Health Organization.
Chicago-Zitierstil (17. Ausg.)How to Investigate Drug Use in Health Facilities: Selected Drug Use Indicators. Geneva: World Health Organization, 1993.
MLA-Zitierstil (9. Ausg.)How to Investigate Drug Use in Health Facilities: Selected Drug Use Indicators. World Health Organization, 1993.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.