Παραπομπή APA

Fogel, R. W. (1970). Railroads and american economic growth: Essays in econometrics history. Baltimore: The Johns Hopkins Press.

Παραπομπή Chicago Style

Fogel, Robert William. Railroads and American Economic Growth: Essays in Econometrics History. Baltimore: The Johns Hopkins Press, 1970.

Παραπομπή MLA

Fogel, Robert William. Railroads and American Economic Growth: Essays in Econometrics History. Baltimore: The Johns Hopkins Press, 1970.

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