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Dyfyniad Arddull ChicagoJames, Jeffrey. Consumer Choice in the Third World: A Study of the Welfare Effects of Advertising and New Products in a Developing Country. London: Macmillan, 1983.
Dyfyniad MLAJames, Jeffrey. Consumer Choice in the Third World: A Study of the Welfare Effects of Advertising and New Products in a Developing Country. Macmillan, 1983.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.