Davies, C. H., & Dawson, R. F. F. (1980). The costs of conforming to standards for noise from road traffic. Transport and Road Research Laboratory, Environment Division.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDavies, C. H., और R. F. F. Dawson. The Costs of Conforming to Standards for Noise from Road Traffic. Crowthorne, Berk: Transport and Road Research Laboratory, Environment Division, 1980.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDavies, C. H., और R. F. F. Dawson. The Costs of Conforming to Standards for Noise from Road Traffic. Transport and Road Research Laboratory, Environment Division, 1980.
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