Sharma, J., Kadian, R., & Buldini, P. (1994). A Dictionary of Environment. CBS Publishers & Distributors.
Tohutoru Kātū Chicago (17th ed.)Sharma, J.L, R.K Kadian, me P.L Buldini. A Dictionary of Environment. New Delhi: CBS Publishers & Distributors, 1994.
Tohutoro MLA (9th ed.)Sharma, J.L, et al. A Dictionary of Environment. CBS Publishers & Distributors, 1994.
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