World Health Organization. Regional Office for Europe, ebrary, Inc, Dora, C., & Phillips, M. A. (2000). Transport, environment, and health. World Health Organization, Regional Office for Europe.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Health Organization. Regional Office for Europe, Inc ebrary, Carlos Dora, و Margaret A. Phillips. Transport, Environment, and Health. Copenhagen: World Health Organization, Regional Office for Europe, 2000.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)World Health Organization. Regional Office for Europe, et al. Transport, Environment, and Health. World Health Organization, Regional Office for Europe, 2000.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.