Cita APA (7th ed.)
Butler, R. J., & Park, Y. (2005). Safety practices, firm culture, and workplace injuries. W.E. Upjohn Institute for Employment Research.
Cita Chicago (17th ed.)
Butler, Richard J., i Yong-Seung Park. Safety Practices, Firm Culture, and Workplace Injuries. Kalamazoo, MI: W.E. Upjohn Institute for Employment Research, 2005.
Cita MLA (9th ed.)
Butler, Richard J., i Yong-Seung Park. Safety Practices, Firm Culture, and Workplace Injuries. W.E. Upjohn Institute for Employment Research, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.