Haskell, E. H. (1982). The politics of clean air: EPA standards for coal-burning power plants. Praeger.
Chicago-viite (17. p.)Haskell, Elizabeth H. The Politics of Clean Air: EPA Standards for Coal-burning Power Plants. New York, N.Y: Praeger, 1982.
MLA-viite (9. p.)Haskell, Elizabeth H. The Politics of Clean Air: EPA Standards for Coal-burning Power Plants. Praeger, 1982.
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