Dyfyniad APA
Charnley, G., & Elliott, E. D. (2003). Risk versus precaution: Environmental law and public health protection. Environmental Law Institute.
Dyfyniad Arddull Chicago
Charnley, Gail, and E. Donald Elliott. Risk Versus Precaution: Environmental Law and Public Health Protection. Washington, D.C.: Environmental Law Institute, 2003.
Dyfyniad MLA
Charnley, Gail, and E. Donald Elliott. Risk Versus Precaution: Environmental Law and Public Health Protection. Environmental Law Institute, 2003.
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