Barwell, I., Edmonds, G. A., Howe, J., & Veen, J. (1985). Rural transport in developing countries: A study prepared for the International Labour Office within the framework of the World Employment Programme. Intermediate Technology Publications Ltd.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Barwell, I.J, G. A. Edmonds, J.D.G.F Howe, و J. Veen. Rural Transport in Developing Countries: A Study Prepared for the International Labour Office Within the Framework of the World Employment Programme. London: Intermediate Technology Publications Ltd, 1985.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Barwell, I.J, et al. Rural Transport in Developing Countries: A Study Prepared for the International Labour Office Within the Framework of the World Employment Programme. Intermediate Technology Publications Ltd, 1985.