Healy, K. T. (1940). The economics of transportation in America; the dynamic forces in development, organization, functioning and regulation. Ronald Press.
Cita Chicago (17th ed.)Healy, Kent Tenney. The Economics of Transportation in America; the Dynamic Forces in Development, Organization, Functioning and Regulation. New York: Ronald Press, 1940.
Cita MLA (9th ed.)Healy, Kent Tenney. The Economics of Transportation in America; the Dynamic Forces in Development, Organization, Functioning and Regulation. Ronald Press, 1940.
Atenció: Aquestes cites poden no estar 100% correctes.