ebrary, Inc, & Kovats, S. (2000). Climate change and stratospheric ozone depletion: Early effects on our health in Europe. World Health Organization, Regional Office for Europe.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)ebrary, Inc, و Sari Kovats. Climate Change and Stratospheric Ozone Depletion: Early Effects on Our Health in Europe. Copenhagen: World Health Organization, Regional Office for Europe, 2000.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)ebrary, Inc, و Sari Kovats. Climate Change and Stratospheric Ozone Depletion: Early Effects on Our Health in Europe. World Health Organization, Regional Office for Europe, 2000.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.