Planning and Transport Research and Computation (International) Co. Meeting Seminar G. & PTRC Education and Research Services. (1988). Road deterioration in developing countries: Proceedings of Seminar G held at the PTRC Transport and Planning Summer Annual Meeting, University of Bath, England, from 12-16 September 1988. PTRC Education and Research Services Ltd. on behalf of Planning and Transport Research and Computation (International) Co. Ltd..
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Planning and Transport Research and Computation (International) Co. Meeting Seminar G. và PTRC Education and Research Services. Road Deterioration in Developing Countries: Proceedings of Seminar G Held at the PTRC Transport and Planning Summer Annual Meeting, University of Bath, England, from 12-16 September 1988. London: PTRC Education and Research Services Ltd. on behalf of Planning and Transport Research and Computation (International) Co. Ltd., 1988.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Planning and Transport Research and Computation (International) Co. Meeting Seminar G. và PTRC Education and Research Services. Road Deterioration in Developing Countries: Proceedings of Seminar G Held at the PTRC Transport and Planning Summer Annual Meeting, University of Bath, England, from 12-16 September 1988. PTRC Education and Research Services Ltd. on behalf of Planning and Transport Research and Computation (International) Co. Ltd., 1988.