Galbraith, J. K. (1979). The Nature of Mass Poverty. Penguin Book.
Dyfyniad Arddull ChicagoGalbraith, John Kenneth. The Nature of Mass Poverty. England: Penguin Book, 1979.
Dyfyniad MLAGalbraith, John Kenneth. The Nature of Mass Poverty. Penguin Book, 1979.
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