Dyfyniad APA

Harrison, D. (1975). Who pays for clean air: The cost and benefit distribution of Federal automobile emission controls. Ballinger Pub.

Dyfyniad Arddull Chicago

Harrison, David. Who Pays for Clean Air: The Cost and Benefit Distribution of Federal Automobile Emission Controls. Cambridge, Mass: Ballinger Pub, 1975.

Dyfyniad MLA

Harrison, David. Who Pays for Clean Air: The Cost and Benefit Distribution of Federal Automobile Emission Controls. Ballinger Pub, 1975.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.