Organisation for Economic Co-operation and Development. Road Research Group. (1981). Road research: Methods for evaluating road safety measures : a report. O.E.C.D..
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Organisation for Economic Co-operation and Development. Road Research Group. Road Research: Methods for Evaluating Road Safety Measures : A Report. Paris: O.E.C.D., 1981.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Organisation for Economic Co-operation and Development. Road Research Group. Road Research: Methods for Evaluating Road Safety Measures : A Report. O.E.C.D., 1981.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.