Sharma, H. (2004). Ozone depletion and environmental impacts. Pointer.
Čikaški stil citiranjaSharma, H.S. Ozone Depletion and Environmental Impacts. Jaipur: Pointer, 2004.
MLA način citiranjaSharma, H.S. Ozone Depletion and Environmental Impacts. Pointer, 2004.
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