APA aipamena

Kaushik,A. (2012). Perspective in Environmental Studies,3rd ed (3rd.). New Age.

Chicago Style aipamena

Kaushik,A. Perspective in Environmental Studies,3rd Ed. 3rd. New Delhi: New Age, 2012.

MLA aipamena

Kaushik,A. Perspective in Environmental Studies,3rd Ed. 3rd. New Age, 2012.

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