Organisation for Economic Co-operation and Development. (2015). Examens environnementaux de l'OCDE. Organisation for Economic Co-operation and Development.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Organisation for Economic Co-operation and Development. Examens Environnementaux De L'OCDE. Paris, [France]: Organisation for Economic Co-operation and Development, 2015.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Organisation for Economic Co-operation and Development. Examens Environnementaux De L'OCDE. Organisation for Economic Co-operation and Development, 2015.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.