Merkoša sitáhtat

APA-čujuhus (7. p.)
Roughton, J. E., & Crutchfield, N. (2008). Job hazard analysis: A guide for voluntary compliance and beyond : from hazard to risk : transforming the JHA from a tool to a process. Elsevier/Butterworth-Heinemann.
Chicago-čujuhus (17. p.)
Roughton, James E., juo Nathan Crutchfield. Job Hazard Analysis: A Guide for Voluntary Compliance and Beyond : From Hazard to Risk : Transforming the JHA from a Tool to a Process. Amsterdam ; Boston: Elsevier/Butterworth-Heinemann, 2008.
MLA-čujuhus (9. p.)
Roughton, James E., juo Nathan Crutchfield. Job Hazard Analysis: A Guide for Voluntary Compliance and Beyond : From Hazard to Risk : Transforming the JHA from a Tool to a Process. Elsevier/Butterworth-Heinemann, 2008.
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