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Dyfyniad Arddull ChicagoMartin, Bill. Ethical Marxism: The Categorical Imperative of Liberation. Chicago, Illinois: Open Court, 2008.
Dyfyniad MLAMartin, Bill. Ethical Marxism: The Categorical Imperative of Liberation. Open Court, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.