187456 Goklany, I. M. (2001). The precautionary principle: A critical appraisal of environmental risk assessment. Washington D.C. : Cato Inst..
Lua i Stíl Chicago (17ú heag.)187456 Goklany, Indur M. The Precautionary Principle: A Critical Appraisal of Environmental Risk Assessment. Washington D.C. : Cato Inst., 2001.
Lua MLA (9ú heag.)187456 Goklany, Indur M. The Precautionary Principle: A Critical Appraisal of Environmental Risk Assessment. Washington D.C. : Cato Inst., 2001.
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