Harrison, D. (1975). Who pays for clean air: The cost and benefit distribution of Federal automobile emission controls. Ballinger Pub.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHarrison, David. Who Pays for Clean Air: The Cost and Benefit Distribution of Federal Automobile Emission Controls. Cambridge, Mass: Ballinger Pub, 1975.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHarrison, David. Who Pays for Clean Air: The Cost and Benefit Distribution of Federal Automobile Emission Controls. Ballinger Pub, 1975.
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