Daniels, R. R. &. K. (2010). Environmental Studies. St. Marti's Press.
Chicago Style (17. basım) AtıfDaniels, R.J Ranjit & Krishnaswamy. Environmental Studies. New Delhi: St. Marti's Press, 2010.
MLA (9th ed.) AtıfDaniels, R.J Ranjit & Krishnaswamy. Environmental Studies. St. Marti's Press, 2010.
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