1. Bandura, A. (1977) Self-efficacy: towards a unifying theory of behavioural change. Psychological Review, 84, 191–215.
2. Freud, S. (1960) A General Introduction to Psychoanalysis, Washington Square Press, New York.
3. Friedman, M. (1960) Martin Buber: The Life of Dialogue, Harper & Row, New York.
4. Gunzburg, J. C. (1991) Family Counselling Casebook, McGraw-Hill, Sydney.
5. Kazdin, A. E. (1980) Research Design in Clinical Psychology, Harper & Row, New York.