1. Shea, J., & Poliquin, C., Tips to increase firearm shooting accuracy, www.charlespoliquin.com, 2011.
2. Manolescu, M., Deaconu, A., Lefter, V., Ergonomics, Ed. Economică, Bucharest, 2010.
3. The Home Front, Marital and Family Issues specific to Law Enforcement Personnel. Stresses Encountered by Police Wives, 2010.
4. Violanti, J., Burchfiel, C., Hartley, T., Mnatsakanova, A., & Fekedulegn, D. Atypical work hours and metabolic syndromes among police officers. Archives of Environmental & Occupational Health, no. 64 (3), 2009.
5. Nicolescu, O., Verboncu, I., Fundamentals of Organisation Management, Ed. Universitară, Bucharest, 2008.