Gruchy, A. G. (1947). Modern economic thought: The American contribution. Prentice-Hall.
Dyfyniad Arddull ChicagoGruchy, Alland Garfield. Modern Economic Thought: The American Contribution. New York: Prentice-Hall, 1947.
Dyfyniad MLAGruchy, Alland Garfield. Modern Economic Thought: The American Contribution. Prentice-Hall, 1947.
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