Dyfyniad APA

Chiras, D. D. (1985). Environmental science: A framework for decision making. Menlo Park, Calif: Benjamin/Cummings Publish Co.

Dyfyniad Arddull Chicago

Chiras, Daniel D. Environmental Science: A Framework for Decision Making. Menlo Park, Calif: Benjamin/Cummings Publish Co, 1985.

Dyfyniad MLA

Chiras, Daniel D. Environmental Science: A Framework for Decision Making. Menlo Park, Calif: Benjamin/Cummings Publish Co, 1985.

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