Hill, M. K. (2010). Understanding environmental pollution (3rd ed.). Cambridge University Press.
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Dyfyniad Arddull Chicago
Hill, Marquita K. Understanding Environmental Pollution. 3rd ed. New York: Cambridge University Press, 2010.
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Dyfyniad MLA
Hill, Marquita K. Understanding Environmental Pollution. 3rd ed. Cambridge University Press, 2010.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.