1. Minuchin, S.: Structural family therapy. In: American Handbook of Psychiatry. Vol. III. Revised Edition. G. Caplan, editor. Basic Books. New York. 1972.
2. Lane, M.: Introduction. In: Introduction to Structuralism, p. 16. M. Lane, editor. Basic Books. New York. 1970.
3. Piaget, J.: Introduction. In: Structuralism, p. 5. C. Maschler, trans. and editor. Basic Books. New York 1970.
4. Personal Communication from Jay Haley.
5. Speck, R. V., and Rueveni, U.: Network therapy—A developing concept. Vol. VIII, No. II. In: Family Process, p. 182. Sept. 1969.