Παραπομπή APA

Cunningham, W. P. (2002). Principles of environmental science: Inquiry and applications. McGraw-Hill.

Παραπομπή Chicago Style

Cunningham, William P. Principles of Environmental Science: Inquiry and Applications. McGraw-Hill, 2002.

Παραπομπή MLA

Cunningham, William P. Principles of Environmental Science: Inquiry and Applications. McGraw-Hill, 2002.

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