Bartels, H. G. (2020). Promoting access to medical technologies and innovation: Intersections between public health, intellectual property, and trade (2nd edition.). World Health Organization : World Intellectual Property Organization : World Trade Organization.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Bartels, Hans G. Promoting Access to Medical Technologies and Innovation: Intersections Between Public Health, Intellectual Property, and Trade. 2nd edition. Geneva, Switzerland: World Health Organization : World Intellectual Property Organization : World Trade Organization, 2020.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Bartels, Hans G. Promoting Access to Medical Technologies and Innovation: Intersections Between Public Health, Intellectual Property, and Trade. 2nd edition. World Health Organization : World Intellectual Property Organization : World Trade Organization, 2020.