Organisation for Economic Co-operation and Development. Road Research Group on Techniques and Materials for the Maintenance of Road Surfacings. (1978). Maintenance techniques for road surfacings: Assessment, choice of treatment, planning, implementation : a report. Organisation for Economic Co-operation and Development ; sold by OECD Publications Center].
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Organisation for Economic Co-operation and Development. Road Research Group on Techniques and Materials for the Maintenance of Road Surfacings. Maintenance Techniques for Road Surfacings: Assessment, Choice of Treatment, Planning, Implementation : A Report. Paris : [Washington, D.C.: Organisation for Economic Co-operation and Development ; sold by OECD Publications Center], 1978.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Organisation for Economic Co-operation and Development. Road Research Group on Techniques and Materials for the Maintenance of Road Surfacings. Maintenance Techniques for Road Surfacings: Assessment, Choice of Treatment, Planning, Implementation : A Report. Organisation for Economic Co-operation and Development ; sold by OECD Publications Center], 1978.