Healthy Perfectionism?
Forfattere: Ashby, J. S. & Huffmann, J.
Titel: Religious orientation and multidimensional perfectionism: Relationships and implications
Bragt i: Counseling and Values, 43, 1999, p.178-188

  Religious Doubt
Forfattere: Koosistra, W. P. & Pargament, K. I.
Titel: Religious doubting in parochial school adolescents
Bragt i: Journal of Psychology and Theology. 27 (1), 1999, p. 33-42