APA-čujuhus (7. p.)
Spellman, F. R., & Bieber, R. M. (2011). Physical hazard control: Preventing injuries in the workplace. Government Institutes.
Chicago-čujuhus (17. p.)
Spellman, Frank R., juo Revonna M. Bieber. Physical Hazard Control: Preventing Injuries in the Workplace. Lanham: Government Institutes, 2011.
MLA-čujuhus (9. p.)
Spellman, Frank R., juo Revonna M. Bieber. Physical Hazard Control: Preventing Injuries in the Workplace. Government Institutes, 2011.
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