APA-ийн эшлэл(7 дахь хэвлэлт)
Butler, R. J., & Park, Y. (2005). Safety practices, firm culture, and workplace injuries. W.E. Upjohn Institute for Employment Research.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
Butler, Richard J., ба Yong-Seung Park. Safety Practices, Firm Culture, and Workplace Injuries. Kalamazoo, MI: W.E. Upjohn Institute for Employment Research, 2005.
MLA -ийн эшлэл (9 дэх хэвлэлт)
Butler, Richard J., ба Yong-Seung Park. Safety Practices, Firm Culture, and Workplace Injuries. W.E. Upjohn Institute for Employment Research, 2005.
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