Παραπομπή APA
Morgenstern, O. (1973). On the accuracy of economic observations (2nd ed. completely revised.). New Jersey: Princeton University Press.
Παραπομπή Chicago StyleMorgenstern, Oskar. On the Accuracy of Economic Observations. 2nd ed. completely revised. New Jersey: Princeton University Press, 1973.
Παραπομπή MLAMorgenstern, Oskar. On the Accuracy of Economic Observations. 2nd ed. completely revised. New Jersey: Princeton University Press, 1973.
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