Dyfyniad APA

CUNNINGHAM, W. P. (2004). Principles of environmental science: Inquiry and applications. McGraw-Hill.

Dyfyniad Arddull Chicago

CUNNINGHAM, William P. Principles of Environmental Science: Inquiry and Applications. McGraw-Hill, 2004.

Dyfyniad MLA

CUNNINGHAM, William P. Principles of Environmental Science: Inquiry and Applications. McGraw-Hill, 2004.

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