Smith, R. B. OSHA releases ergonomics draft. Occupational health & safety.
芝加哥风格引文Smith, R. Blake. "OSHA Releases Ergonomics Draft." Occupational Health & Safety .
MLA引文Smith, R. Blake. "OSHA Releases Ergonomics Draft." Occupational Health & Safety, .
警告：这些引文格式不一定是100％准确.