Ulmer, M. J. (1960). Capital in transportation, communications, and public utilities: Its formation and financing. Princeton: Princeton University Press.
Παραπομπή Chicago StyleUlmer, Melville J. Capital in Transportation, Communications, and Public Utilities: Its Formation and Financing. Princeton: Princeton University Press, 1960.
Παραπομπή MLAUlmer, Melville J. Capital in Transportation, Communications, and Public Utilities: Its Formation and Financing. Princeton: Princeton University Press, 1960.
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