Gustin, J. F. (2013). Workplace violence and the facility manager. Fairmont Press, Inc..
Chicago-viite (17. p.)Gustin, Joseph F. Workplace Violence and the Facility Manager. Indian Trail Lilburn, Georgia: Fairmont Press, Inc., 2013.
MLA-viite (9. p.)Gustin, Joseph F. Workplace Violence and the Facility Manager. Fairmont Press, Inc., 2013.
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