(2011). Ensuring balance in national policies on controlled substances: Guidance for availability and accessibility of controlled medicines. World Health Organization.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ensuring Balance in National Policies on Controlled Substances: Guidance for Availability and Accessibility of Controlled Medicines. Geneva: World Health Organization, 2011.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ensuring Balance in National Policies on Controlled Substances: Guidance for Availability and Accessibility of Controlled Medicines. World Health Organization, 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.