Deismireacht APA

Cunningham, W. P. (2007). Environmental science: A global concern. Boston: McGraw-Hill.

Trích dẫn kiểu Chicago

Cunningham, William P. Environmental Science: A Global Concern. Boston: McGraw-Hill, 2007.

Deismireacht MLA

Cunningham, William P. Environmental Science: A Global Concern. Boston: McGraw-Hill, 2007.

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