7Leigh Branham.Keeping the People Who Keep You in Business:24 Ways to Hang on to Your Most Valuable Talent. American Management Association, 2000.
8BOZENA ZDANIUK,JOHN M LEVINE.Group Loyalty:Impact on Member's Identifiction and Contribution[J].Journal of Experimental Social Psychology,2001,37:502-509.
9BARON M.The Moral Status of Loyalty[A].In:JOHNSON D G.Ethical Issues in Engineering[C].Englewood Cliffs,NJ:Prentice Hall,1991.
