Miller, G. T., & Spoolman, S. E. (2013). Environmental science (14th ed.). Cengage Learning India Private Limited.
Tohutoru Kātū Chicago (17th ed.)Miller, G. Tyler, me Scott E. Spoolman. Environmental Science. 14th ed. New Delhi: Cengage Learning India Private Limited, 2013.
Tohutoro MLA (9th ed.)Miller, G. Tyler, me Scott E. Spoolman. Environmental Science. 14th ed. Cengage Learning India Private Limited, 2013.
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