1. 1. Lieberman MA & Tobin SS: The experience of old age. New York, Basic Books Inc., 1983:241-241
2. 3. Guntrip H: Psychoanalytic Theory, Therapy and the Self. New York, Basic Books Inc., 1973:46-46
3. 4. Ansbacher HL: The Adlerian and Jungian Schoolsi. In S Ariete (ed.) American Handbook of Psychiatry, New York. Basic Books Vol. 1, 789-8085