Gardner, L. C. (1966). A different frontier: Selected readings in the foundations of American economic expansion. Quadrangle Books.
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Dyfyniad Arddull Chicago
Gardner, Lloyd C. A Different Frontier: Selected Readings in the Foundations of American Economic Expansion. Chicago: Quadrangle Books, 1966.
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Dyfyniad MLA
Gardner, Lloyd C. A Different Frontier: Selected Readings in the Foundations of American Economic Expansion. Quadrangle Books, 1966.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.