Παραπομπή APA

Morgenstern, O. (1963). On the accuracy of economic observations (2nd ed.). Princeton University Press.

Παραπομπή Chicago Style

Morgenstern, Oskar. On the Accuracy of Economic Observations. 2nd ed. New Jersey: Princeton University Press, 1963.

Παραπομπή MLA

Morgenstern, Oskar. On the Accuracy of Economic Observations. 2nd ed. Princeton University Press, 1963.