Dyfyniad APA

Galanes, G. J., & Adams, K. (2010). Effective Group Discussion: Theory and Practice (12th Ed.). TATA McGraw- Hill.

Dyfyniad Arddull Chicago

Galanes, Gloria J., and Katherine Adams. Effective Group Discussion: Theory and Practice. 12th Ed. New Delhi: TATA McGraw- Hill, 2010.

Dyfyniad MLA

Galanes, Gloria J., and Katherine Adams. Effective Group Discussion: Theory and Practice. 12th Ed. TATA McGraw- Hill, 2010.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.