OECD. (1973). Techniques of improving urban conditions by restraint of road traffic. Paris: Organisation for Economic Co-operation and Development.
استشهاد بنمط شيكاغوOECD. Techniques of Improving Urban Conditions By Restraint of Road Traffic. Paris: Organisation for Economic Co-operation and Development, 1973.
MLA استشهادOECD. Techniques of Improving Urban Conditions By Restraint of Road Traffic. Paris: Organisation for Economic Co-operation and Development, 1973.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.