2Johanson, J. and J. vahlne. The Internationalization process of the Firm: A Model of Knowledge Development and Increasing Foreign Market Commitment[J]. Journal of International Business Studies, 1997, (8) 23-- 30.
3Nelson, R. and S. Winter. An Evolutionary Theory of Economic change[M]. Cambridge: Harvard University Press, 1982.
4Guest , D. Is the psychological contract worth taking seriously ? [J]. Journal of Organizational Behavior, 1998, (6): 97-- 99.
5Herzberg, F.. Work and the Nature of Man[M]. Cleveland: World Publishing, 1996.