• Oden T.C. 1969. The Structure of Awareness. Nashville: Abingdon.
• Rogers C. 1961 .On Becoming a Person. New York: Houghton Miftlin.
• Truax C.B. and Carkhuff R.R. 1967. Toward Effective Counseling and Psychotherapy. Chicago: Aldine.
• Virkler H.A. 1980. The Facilitativeness of Parish Ministers. Journal of Psychology and Theology 8:140–46.
• Ward J.N. 1983. Contemplation. In The Westminster Dictionary of Christian Spirituality, ed. G. S. Wakefield. 95–96. Philadelphia: Westminster.
• Zwemer W.A. and Deffenbacher J.L. 1984. Irrational Beliefs, Anger, and Anxiety. Journal of Counseling Psychology 31:391–93.
