World Health Organization, WHO Study Group on Tobacco Product Regulation, & ebrary, Inc. (2008). The scientific basis of tobacco product regulation: Second report of a WHO study group. World Health Organization.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Health Organization, WHO Study Group on Tobacco Product Regulation, و Inc ebrary. The Scientific Basis of Tobacco Product Regulation: Second Report of a WHO Study Group. Geneva: World Health Organization, 2008.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)World Health Organization, et al. The Scientific Basis of Tobacco Product Regulation: Second Report of a WHO Study Group. World Health Organization, 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.