APA (7th ed.) Zitazioa

Galanes, G. J. (2007). Effective group discussion: Theory and practice (12th ed.). McGraw-Hill.

Chicago Style (17th ed.) Zitazioa

Galanes, Gloria J. Effective Group Discussion: Theory and Practice. 12th ed. Boston: McGraw-Hill, 2007.

MLA (9th ed.) Zitazioa

Galanes, Gloria J. Effective Group Discussion: Theory and Practice. 12th ed. McGraw-Hill, 2007.