Harper, D. V. (1959). Economic regulation of the motor trucking industry by the States. University of Illinois Press.
Citace podle Chicago (17th ed.)Harper, Donald Victor. Economic Regulation of the Motor Trucking Industry by the States. Urbana, Ill: University of Illinois Press, 1959.
Citace podle MLA (9th ed.)Harper, Donald Victor. Economic Regulation of the Motor Trucking Industry by the States. University of Illinois Press, 1959.
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