APA citiranje

Cunningham, W. P. (2008). Principles of environmental science: Inquiry & applications. New York: McGraw-Hill.

Trích dẫn kiểu Chicago

Cunningham, William P. Principles of Environmental Science: Inquiry & Applications. New York: McGraw-Hill, 2008.

MLA citiranje

Cunningham, William P. Principles of Environmental Science: Inquiry & Applications. New York: McGraw-Hill, 2008.

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