Organization for Economic Cooperation and Development. (1977). Transport requirements for urban communities. Organisation for Economic Co-operation and Development.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Organization for Economic Cooperation and Development. Transport Requirements for Urban Communities. Paris: Organisation for Economic Co-operation and Development, 1977.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Organization for Economic Cooperation and Development. Transport Requirements for Urban Communities. Organisation for Economic Co-operation and Development, 1977.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.