Cunningham, W. P. (2005). Environmental science: A global concern. Boston: McGraw-Hill Higher Education.
Čikaški stil citiranjaCunningham, William P. Environmental Science: A Global Concern. Boston: McGraw-Hill Higher Education, 2005.
MLA način citiranjaCunningham, William P. Environmental Science: A Global Concern. Boston: McGraw-Hill Higher Education, 2005.
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