Galanes, G. J. (2007). Effective group discussion: Theory and practice (12th ed.). McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGalanes, Gloria J. Effective Group Discussion: Theory and Practice. 12th ed. Boston: McGraw-Hill, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGalanes, Gloria J. Effective Group Discussion: Theory and Practice. 12th ed. McGraw-Hill, 2007.
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