Metcalfe, S. (2005). Atmospheric Pollution and environmental change. Hodder Arnold.
Chicago-čujuhus (17. p.)Metcalfe, Sarah. Atmospheric Pollution and Environmental Change. London: Hodder Arnold, 2005.
MLA-čujuhus (9. p.)Metcalfe, Sarah. Atmospheric Pollution and Environmental Change. Hodder Arnold, 2005.
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