World Health Organization. (2006). Principles for evaluating health risks in children associated with exposure to chemicals. World Health Organization.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Health Organization. Principles for Evaluating Health Risks in Children Associated with Exposure to Chemicals. Geneva: World Health Organization, 2006.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)World Health Organization. Principles for Evaluating Health Risks in Children Associated with Exposure to Chemicals. World Health Organization, 2006.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.