Miller, G. T., & Spoolman, S. E. (2009). Introduction to Environmental Science (Indian Ed.). Brooks/Cole Cengage Learning.
Chicago-viite (17. p.)Miller, G. Tyler, ja Scott E. Spoolman. Introduction to Environmental Science. Indian Ed. Belmont, CA ; New Delhi: Brooks/Cole Cengage Learning, 2009.
MLA-viite (8. p.)Miller, G. Tyler, ja Scott E. Spoolman. Introduction to Environmental Science. Indian Ed. Brooks/Cole Cengage Learning, 2009.
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