349201 Ridley, J., & Pearce, D. (2003). Safety with machinery. Oxford : Butterworth-Heinemann.
Chicago-čujuhus (17. p.)349201 Ridley, John, juo Dick Pearce. Safety with Machinery. Oxford : Butterworth-Heinemann, 2003.
MLA-čujuhus (9. p.)349201 Ridley, John, juo Dick Pearce. Safety with Machinery. Oxford : Butterworth-Heinemann, 2003.
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