4Luthans K W,Jensen S M. The Linkage betweenPsychological Capital and Commitment to Organi zational Mission[J].Journal of Nursing Adminis tration ,2005,35(6) :304 - 310.
5Price J I. Reflections on the Determinants of Vol- untary Turnover [J].International Journal of Manpower, 2000 (22) : 600 - 624.
6Seligman M E P,Csikszentmihalyi M. Positive Pst chology: An Introduction [J]. American Psycho gist,2000,55(1):5 - 14.
7Luthans F, I.uthans K W, I.uthans B C. Positive Psychological Capital: beyond Human and Social Capital[J].Business Horizons, 2004,47 (1) :45 - 50.
8I.uthans F. The Mediating Role of Psychological Cap- ital in the Supportive Organizational Climate-employee Performance Relationship[J]. Journal of Organiza tional Behavior,2008,29(2) :219 - 238.