Krishnamoorthy. (2009). Environmental Management: Tex (2nd.). Prentice Hall of India.
Chicago-čujuhus (17. p.)Krishnamoorthy. Environmental Management: Tex. 2nd. New Delhi: Prentice Hall of India, 2009.
MLA-čujuhus (9. p.)Krishnamoorthy. Environmental Management: Tex. 2nd. Prentice Hall of India, 2009.
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