Rana, S. V. S. (2007). Essentials of ecology and environmental science (3rd ed.). Prentice Hall of India.
Chicago Stili AlıntıRana, S. V. S. Essentials of Ecology and Environmental Science. 3rd ed. New Delhi: Prentice Hall of India, 2007.
MLA AlıntıRana, S. V. S. Essentials of Ecology and Environmental Science. 3rd ed. Prentice Hall of India, 2007.
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