Organisation for Economic Co-operation and Development. (1997). Regional competitiveness and skills. Organisation for Economic Co-operation and Development.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Organisation for Economic Co-operation and Development. Regional Competitiveness and Skills. Paris, France: Organisation for Economic Co-operation and Development, 1997.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Organisation for Economic Co-operation and Development. Regional Competitiveness and Skills. Organisation for Economic Co-operation and Development, 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.