Tracy, T. J. (1969). Physiology theory and the doctrine of the mean in Plato and Aristotle. Loyola University Press.
Čikaški stil citiranja (17. izdanje)Tracy, Theodore James. Physiology Theory and the Doctrine of the Mean in Plato and Aristotle. Chicago: Loyola University Press, 1969.
MLA način citiranja (9. izdanje)Tracy, Theodore James. Physiology Theory and the Doctrine of the Mean in Plato and Aristotle. Loyola University Press, 1969.
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