National Safety Council. (1992). Accident prevention manual for business & industry (10th ed.). National Safety Council.
Chicago-viite (17. p.)National Safety Council. Accident Prevention Manual for Business & Industry. 10th ed. [Chicago, Ill.]: National Safety Council, 1992.
MLA-viite (8. p.)National Safety Council. Accident Prevention Manual for Business & Industry. 10th ed. National Safety Council, 1992.
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