Dawson, J., & Barwell, I. (1993). Roads are not enough: New perspectives on rural transport planning in developing countries. Intermediate Technology Pub.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Dawson, Jonathan, و Ian Barwell. Roads Are Not Enough: New Perspectives on Rural Transport Planning in Developing Countries. London: Intermediate Technology Pub, 1993.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Dawson, Jonathan, و Ian Barwell. Roads Are Not Enough: New Perspectives on Rural Transport Planning in Developing Countries. Intermediate Technology Pub, 1993.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.