National Research Council (U.S.). Highway Research Board. (1953). Research needed in geometric highway design. Highway Research Board, National Research Council.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNational Research Council (U.S.). Highway Research Board. Research Needed in Geometric Highway Design. Washington, D.C: Highway Research Board, National Research Council, 1953.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNational Research Council (U.S.). Highway Research Board. Research Needed in Geometric Highway Design. Highway Research Board, National Research Council, 1953.
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