APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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