C"t?, R. P., & Wells, P. G. (1991). Controlling chemical hazards: Fundamentals of the management of toxic chemicals. Unwin Hyman.
Chicago-viite (17. p.)C"t?, Raymond P., ja P. G. Wells. Controlling Chemical Hazards: Fundamentals of the Management of Toxic Chemicals. London: Unwin Hyman, 1991.
MLA-viite (9. p.)C"t?, Raymond P., ja P. G. Wells. Controlling Chemical Hazards: Fundamentals of the Management of Toxic Chemicals. Unwin Hyman, 1991.
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