Elliot, H. S. 1. (1928). The process of group thinking. Association Press.
Dyfyniad Arddull ChicagoElliot, Harrison Sacket 1882. The Process of Group Thinking. New York: Association Press, 1928.
Dyfyniad MLAElliot, Harrison Sacket 1882. The Process of Group Thinking. Association Press, 1928.
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