Bertcher, H. J. (1979). Group participation techniques for leaders and members. Published in cooperation with the Continuing Education Program in the Human Services of the University of Michigan School of Social Work [by] Sage Publications.
Chicago-referens (17:e uppl.)Bertcher, Harvey J. Group Participation Techniques for Leaders and Members. Beverly Hills, Calif.: Published in cooperation with the Continuing Education Program in the Human Services of the University of Michigan School of Social Work [by] Sage Publications, 1979.
MLA-referens (8:e uppl.)Bertcher, Harvey J. Group Participation Techniques for Leaders and Members. Published in cooperation with the Continuing Education Program in the Human Services of the University of Michigan School of Social Work [by] Sage Publications, 1979.