Galanes, G. J., & Adams, K. (2019). Effective group discussion: Theory and practice (Fifteenth edition.). McGraw-Hill Education.
Citace podle Chicago (17th ed.)Galanes, Gloria J., a Katherine Adams. Effective Group Discussion: Theory and Practice. Fifteenth edition. New York, NY: McGraw-Hill Education, 2019.
Citace podle MLA (9th ed.)Galanes, Gloria J., a Katherine Adams. Effective Group Discussion: Theory and Practice. Fifteenth edition. McGraw-Hill Education, 2019.
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