Ashby, E., & Anderson, M. (1981). The politics of clean air. Clarendon Press ; Oxford University Press.
Chicago-čujuhus (17. p.)Ashby, Eric, juo Mary Anderson. The Politics of Clean Air. Oxford : New York: Clarendon Press ; Oxford University Press, 1981.
MLA-čujuhus (9. p.)Ashby, Eric, juo Mary Anderson. The Politics of Clean Air. Clarendon Press ; Oxford University Press, 1981.
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