Deismireacht APA

Cunningham, W. P. (2012). Environmental science: A global concern. New York: McGraw-Hill.

Trích dẫn kiểu Chicago

Cunningham, William P. Environmental Science: A Global Concern. New York: McGraw-Hill, 2012.

Deismireacht MLA

Cunningham, William P. Environmental Science: A Global Concern. New York: McGraw-Hill, 2012.

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