World Health Organisation. (1989). WHO Expert committee on drug dependence. World Health Organisation.
Chicago Edition CitationWorld Health Organisation. WHO Expert Committee on Drug Dependence. Geneva: World Health Organisation, 1989.
ציטוט MLAWorld Health Organisation. WHO Expert Committee on Drug Dependence. World Health Organisation, 1989.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.