Transport and Road Research Laboratory. (1981). Social aspects of transport: How to use social research in transport policy making. Transport and Road Research Laboratory.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Transport and Road Research Laboratory. Social Aspects of Transport: How to Use Social Research in Transport Policy Making. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1981.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Transport and Road Research Laboratory. Social Aspects of Transport: How to Use Social Research in Transport Policy Making. Transport and Road Research Laboratory, 1981.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.