Bowlby, J.Maternal care and mental health. World Health Organization Monograph Series, 1951, No. 3, 355-534. Geneva, Switzerland.
2.
Hill, R.Generic features of families under stress. In H. Parad (Ed.), Crisis intervention: Selected readings. New York: Family Service Association of America, 1965.
3.
Zaleznik, A.Human dilemmas of leadership. New York: Harper & Row, 1966.
