Cunningham, W. P., & Cunningham, M. A. (2012). Environmental science: A global concern (12th ed.). McGraw-Hill Companies, Inc.
Chicago Style (17th ed.) CitationCunningham, William P., and Mary Ann Cunningham. Environmental Science: A Global Concern. 12th ed. New York: McGraw-Hill Companies, Inc, 2012.
MLA citiranjeCunningham, William P., and Mary Ann Cunningham. Environmental Science: A Global Concern. 12th ed. McGraw-Hill Companies, Inc, 2012.
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