Galanes, G. J., & Adams, K. (2010). Effective Group Discussion: Theory and Practice (12th ed.). Tata McGraw Hill Education Pvt. Ltd.
Chicago-čujuhus (17. p.)Galanes, Gloria J., juo Katherine Adams. Effective Group Discussion: Theory and Practice. 12th ed. New Delhi: Tata McGraw Hill Education Pvt. Ltd, 2010.
MLA-čujuhus (9. p.)Galanes, Gloria J., juo Katherine Adams. Effective Group Discussion: Theory and Practice. 12th ed. Tata McGraw Hill Education Pvt. Ltd, 2010.
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