Gaya APA

williams., S, M, R, R, C, J, P, L. (). Principles of toxicology : environmental and industrial applications (Third edition). [s.i.]: .

Gaya MLA

williams., Stephen, M, Roberts;, Robert, C, James;, Phillip, L. "Principles of toxicology : environmental and industrial applications". Third edition [s.i.]: , . Text.