Harrison, D. (1975). Who pays for clean air: The cost and benefit distribution of Federal automobile emission controls. Ballinger Pub.
Chicago-viite (17. p.)Harrison, David. Who Pays for Clean Air: The Cost and Benefit Distribution of Federal Automobile Emission Controls. Cambridge, Mass: Ballinger Pub, 1975.
MLA-viite (9. p.)Harrison, David. Who Pays for Clean Air: The Cost and Benefit Distribution of Federal Automobile Emission Controls. Ballinger Pub, 1975.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.