Organisation for Economic Co-operation and Development & United Nations. Economic Commission for Europe. Committee on Environmental Policy. (2002). Environmental performance reviews. OECD.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Organisation for Economic Co-operation and Development و United Nations. Economic Commission for Europe. Committee on Environmental Policy. Environmental Performance Reviews. Paris, France: OECD, 2002.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Organisation for Economic Co-operation and Development و United Nations. Economic Commission for Europe. Committee on Environmental Policy. Environmental Performance Reviews. OECD, 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.