Krieger, G. R. (1995). Accident prevention manual for business & industry: Environmental management. National Safety Council.
Chicago-viite (17. p.)Krieger, Gary R. Accident Prevention Manual for Business & Industry: Environmental Management. Itasca, IL: National Safety Council, 1995.
MLA-viite (9. p.)Krieger, Gary R. Accident Prevention Manual for Business & Industry: Environmental Management. National Safety Council, 1995.
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