Fisher, B. A., & Ellis, D. G. (1990). Small group: Decision making,communication and the group process (3rd ed.). McGraw hill publishing company.
Παραπομπή Chicago StyleFisher, B Aubrey, και Donald G. Ellis. Small Group: Decision Making,communication and the Group Process. 3rd ed. New York: McGraw hill publishing company, 1990.
Παραπομπή MLAFisher, B Aubrey, και Donald G. Ellis. Small Group: Decision Making,communication and the Group Process. 3rd ed. McGraw hill publishing company, 1990.
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