Lewis, D. L. (1999). Road user and mitigation costs in highway pavement projects. National Academy Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLewis, David L. Road User and Mitigation Costs in Highway Pavement Projects. Washington, D.C: National Academy Press, 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLewis, David L. Road User and Mitigation Costs in Highway Pavement Projects. National Academy Press, 1999.
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