Fisher, B. A., & Ellis, D. G. (1990). Small group: Decision making,communication and the group process (3rd ed.). McGraw hill publishing company.
Dyfyniad Arddull ChicagoFisher, B Aubrey, and Donald G. Ellis. Small Group: Decision Making,communication and the Group Process. 3rd ed. New York: McGraw hill publishing company, 1990.
Dyfyniad MLAFisher, B Aubrey, and Donald G. Ellis. Small Group: Decision Making,communication and the Group Process. 3rd ed. McGraw hill publishing company, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.