Cunningham, W. P., & Cunningham, M. A. (2013). Principles of environmental science: Inquiry & application (Seventh edition.). McGraw-Hill.
Chicago Style aipamenaCunningham, William P., and Mary Ann Cunningham. Principles of Environmental Science: Inquiry & Application. Seventh edition. New York, NY: McGraw-Hill, 2013.
MLA aipamenaCunningham, William P., and Mary Ann Cunningham. Principles of Environmental Science: Inquiry & Application. Seventh edition. McGraw-Hill, 2013.
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