1. Frederick Herzberg, B. Mausner, and B. Snyderman, The Motivation to Work (New York: Wiley, 1959).
2. Turning Around Employee Turnover by Jennifer Robison, May 2008, http://businessjournal.gallup.com/content/106912/turning-around-your-turnover-problem.aspx.
4. Employee Engagement A Review of Current Research and Its Implications by John Gibbons, November 2006, http://montrealoffice.wikispaces.com/file/view/Employee+Engagement+-+Conference+Board.pdf.
5. Employee Engagement: Has It Been a Bull Market? by Jennifer J. Deal, Ph.D., Sarah Stawiski, Ph.D., and William A. Gentry, Ph.D., July 2010, p. 3; www.ccl.org/leadership/pdf/research/EmployeeEngagement.pdf ...