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Dyfyniad Arddull ChicagoWermel, Michael Theodore. The Evolution of the Classical Wage Theory. New York: Columbia University Press, 1939.
Dyfyniad MLAWermel, Michael Theodore. The Evolution of the Classical Wage Theory. Columbia University Press, 1939.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.