Organisation for Economic Co-operation and Development, World Trade Organization, ProQuest (Firm), Colombo, F., Zurn, P., & Oxley, H. (2011). Switzerland. Organisation for Economic Co-operation and Development : World Health Organization.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Organisation for Economic Co-operation and Development, World Trade Organization, ProQuest (Firm), Francesca Colombo, Pascal Zurn, و Howard Oxley. Switzerland. Paris: Organisation for Economic Co-operation and Development : World Health Organization, 2011.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Organisation for Economic Co-operation and Development, et al. Switzerland. Organisation for Economic Co-operation and Development : World Health Organization, 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.