SHULMAN, L. 1989. The skills of helping individuals and groups. 2nd ed. Itasca: Peacock.
Citace podle APA (7th ed.)Shulman, L. (1989). The skills of helping individuals and groups (2nd ed.). Peacock.
Citace podle Chicago (17th ed.)Shulman, Lawrence. The Skills of Helping Individuals and Groups. 2nd ed. Itasca: Peacock, 1989.
Citace podle MLA (9th ed.)Shulman, Lawrence. The Skills of Helping Individuals and Groups. 2nd ed. Peacock, 1989.
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