Smith,Bernard Babington, & Farrell, B. A. (1979). Training in Small Groups: A Study of Five Methods. Pergamon Press.
Παραπομπή Chicago StyleSmith,Bernard Babington, και B. A. Farrell. Training in Small Groups: A Study of Five Methods. Oxford ; New York: Pergamon Press, 1979.
Παραπομπή MLASmith,Bernard Babington, και B. A. Farrell. Training in Small Groups: A Study of Five Methods. Pergamon Press, 1979.
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