Gupta, K., Gupta, A. K., & Gupta, S. (2008). Dictionary of Environment. Atlantic Publishers & Distributors (p) Ltd..
Chicago Style (17th ed.) ZitazioaGupta, K.R, Ashish Kumar Gupta, eta Suriti Gupta. Dictionary of Environment. New Delhi: Atlantic Publishers & Distributors (p) Ltd., 2008.
MLA (9th ed.) ZitazioaGupta, K.R, et al. Dictionary of Environment. Atlantic Publishers & Distributors (p) Ltd., 2008.
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