Dyfyniad APA

National Risk Management Research Laboratory (U.S.). (2001). Guide to industrial assessments for pollution prevention and energy efficiency. U.S. Environmental Protection Agency.

Dyfyniad Arddull Chicago

National Risk Management Research Laboratory (U.S.). Guide to Industrial Assessments for Pollution Prevention and Energy Efficiency. Cincinnati: U.S. Environmental Protection Agency, 2001.

Dyfyniad MLA

National Risk Management Research Laboratory (U.S.). Guide to Industrial Assessments for Pollution Prevention and Energy Efficiency. U.S. Environmental Protection Agency, 2001.

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