GARLAND, J. A. , H. E. JONES, and R. L. KOLODNY (1973) "A model for stages of development in social work groups," pp. 17-71 in S. Bernstein (ed.) Explorations in Group Work. Boston: Milford House.
2.
LOWY, L. (1973) "Goal formulation in social work with groups," in Further Explorations in Group Work. Boston: Milford House.
3.
NORTHEN, H. (1969) Social Work with Groups. New York: Columbia Univ. Press.
4.
PAPELL, C. P. and B. ROTHMAN (1966) "Social group work models: possession and heritage."J. of Education for Social Work (Fall): 66-77.
5.
SCHWARTZ, W. (1961) "The social worker in the group."Social Welfare Forum.
6.
SLAVSON, S. R. (1964) A Textbook in Analytic Group Psychotherapy. New York: International University Publisher.
7.
WHITTAKER, J. K. (1970) "Models of group development: implications for social group work practice."Social Service Rev. (September): 308-322.
8.
YALOM, I. D. (1970) The Theory and Practice of Group Psychotherapy. New York: Basic Books.