Back, K. W. (1973). Beyond words: The story of sensitivity training and the encounter movement. Baltimore: Penguin Books.
Styl ChicagoBack, Kurt W. Beyond Words: The Story of Sensitivity Training and the Encounter Movement. Baltimore: Penguin Books, 1973.
Citace podle MLABack, Kurt W. Beyond Words: The Story of Sensitivity Training and the Encounter Movement. Baltimore: Penguin Books, 1973.
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