Richard Wright. "EnvironmentalScience-TowardsaSustainableFuture,9thed.". PHI LEARNING PVT LTD.
Chicago-čujuhus (17. p.)Richard Wright. "EnvironmentalScience-TowardsaSustainableFuture,9thed.". PHI LEARNING PVT LTD.
MLA-čujuhus (9. p.)Richard Wright. "EnvironmentalScience-TowardsaSustainableFuture,9thed.". PHI LEARNING PVT LTD.
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