Bertcher, H. J. (1994). Group participation: Techniques for leaders and members (2nd ed.). Published in cooperation with the University of Michigan School of Social Work [by] Sage.
Citace podle Chicago (17th ed.)Bertcher, Harvey J. Group Participation: Techniques for Leaders and Members. 2nd ed. Thousand Oaks, Calif: Published in cooperation with the University of Michigan School of Social Work [by] Sage, 1994.
Citace podle MLA (9th ed.)Bertcher, Harvey J. Group Participation: Techniques for Leaders and Members. 2nd ed. Published in cooperation with the University of Michigan School of Social Work [by] Sage, 1994.
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