World Health Organization, Geneva, United Nations Environment Programme, & International Labour Organization. (1996). Environmental health criteria 164:thallium: IPCS International Programme on Chemical Safety. World Health Organization.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Health Organization, Geneva, United Nations Environment Programme, و International Labour Organization. Environmental Health Criteria 164:thallium: IPCS International Programme on Chemical Safety. Geneva: World Health Organization, 1996.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)World Health Organization, Geneva, et al. Environmental Health Criteria 164:thallium: IPCS International Programme on Chemical Safety. World Health Organization, 1996.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.