Harrison, D. (1975). Who pays for clean air: The cost and benefit distribution of Federal automobile emission controls. Ballinger Pub.
Lua i Stíl Chicago (17ú heag.)Harrison, David. Who Pays for Clean Air: The Cost and Benefit Distribution of Federal Automobile Emission Controls. Cambridge, Mass: Ballinger Pub, 1975.
Lua MLA (9ú heag.)Harrison, David. Who Pays for Clean Air: The Cost and Benefit Distribution of Federal Automobile Emission Controls. Ballinger Pub, 1975.
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