Schreier, F. T. (1957). Human motivation: Probability and meaning. Glencoe, IL: The Free Press.
Παραπομπή Chicago StyleSchreier, Fred T. Human Motivation: Probability and Meaning. Glencoe, IL: The Free Press, 1957.
Παραπομπή MLASchreier, Fred T. Human Motivation: Probability and Meaning. Glencoe, IL: The Free Press, 1957.
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