Dyfyniad APA

Jorgensed, S. (1989). Principles of Environmental Science and Technology. Elsevier.

Dyfyniad Arddull Chicago

Jorgensed, S.E. Principles of Environmental Science and Technology. Amsterdam: Elsevier, 1989.

Dyfyniad MLA

Jorgensed, S.E. Principles of Environmental Science and Technology. Elsevier, 1989.

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