Lua APA (7ú heag.)
Gustin, J. F. (2013). Workplace violence and the facility manager. Fairmont Press, Inc..
Lua i Stíl Chicago (17ú heag.)
Gustin, Joseph F. Workplace Violence and the Facility Manager. Indian Trail Lilburn, Georgia: Fairmont Press, Inc., 2013.
Lua MLA (9ú heag.)
Gustin, Joseph F. Workplace Violence and the Facility Manager. Fairmont Press, Inc., 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.