Organization for Economic Co-operation and Development. (1975). Greece. Organisation for Economic Co-operation and Development.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Organization for Economic Co-operation and Development. Greece. Paris: Organisation for Economic Co-operation and Development, 1975.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Organization for Economic Co-operation and Development. Greece. Organisation for Economic Co-operation and Development, 1975.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.