APA Citation

 Enger Eldon D. (2010).  Environmental science: A study of interrelationships.  McGraw-Hill.

Trích dẫn kiểu Chicago

 Enger Eldon D.  Environmental Science: A Study of Interrelationships.  McGraw-Hill, 2010.

MLA Citation

 Enger Eldon D.  Environmental Science: A Study of Interrelationships.  McGraw-Hill, 2010.

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