Παραπομπή APA

Marianne Schneider Corey & Gerald Corey. (2006). Groups: Process and practice (7.). Brooks/Cole.

Παραπομπή Chicago Style

Marianne Schneider Corey και Gerald Corey. Groups: Process and Practice. 7. Australia: Brooks/Cole, 2006.

Παραπομπή MLA

Marianne Schneider Corey και Gerald Corey. Groups: Process and Practice. 7. Brooks/Cole, 2006.