1K. M.Sheldon&Laura King. Why Positive Psychology Is Necessary. American Psycholo gist [J].2001,(3):216-217.
2Barbara L. Fredrickson. The Role of Posi tive Emotions in Positive Psychology: The Broaden -and -Build Theory of Positive Emo tions[J]. American Psychologist,2001,(3).
3Carl Ransom Rogers, A theory of therapy, personality, and interpersonal relation ships as developed in the client-centered frameworkFMl. New Ynrk: Mrnraw Hill,1995.
