National Research Council (U.S.). Highway Research Board, National Research Council (U.S.). Highway Research Board. Committee on Highway Costs, & National Research Council (U.S.). Highway Research Board. Committee on Highway Engineering Economy. (1963). Highway economics: 7 reports ; presented at the 42nd Annual Meeting, January 7-11, 1963. Highway Research Board of the Division of Engineering and Industrial Research, National Academy of Sciences-National Research Council.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Research Council (U.S.). Highway Research Board, National Research Council (U.S.). Highway Research Board. Committee on Highway Costs, و National Research Council (U.S.). Highway Research Board. Committee on Highway Engineering Economy. Highway Economics: 7 Reports ; Presented at the 42nd Annual Meeting, January 7-11, 1963. Washington, D.C: Highway Research Board of the Division of Engineering and Industrial Research, National Academy of Sciences-National Research Council, 1963.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)National Research Council (U.S.). Highway Research Board, et al. Highway Economics: 7 Reports ; Presented at the 42nd Annual Meeting, January 7-11, 1963. Highway Research Board of the Division of Engineering and Industrial Research, National Academy of Sciences-National Research Council, 1963.