Murthy, D. (2004). Environmental awareness and protection: A basic on environmental studies. Deep & Deep.
शिकागो स्टाइल उद्धरणMurthy, D.B.N. Environmental Awareness and Protection: A Basic on Environmental Studies. New Delhi: Deep & Deep, 2004.
एमएलए उद्धरणMurthy, D.B.N. Environmental Awareness and Protection: A Basic on Environmental Studies. Deep & Deep, 2004.
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