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Dyfyniad Arddull ChicagoVaile, Roland S. Research Memorandum on Social Aspects of Consumption in the Depression. [New York]: Arno Press, 1972.
Dyfyniad MLAVaile, Roland S. Research Memorandum on Social Aspects of Consumption in the Depression. Arno Press, 1972.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.