Hook, S. (1955). Marx and the Marxists: The ambiguous legacy. D.Van Nostrand.
Dyfyniad Arddull ChicagoHook, Sidney. Marx and the Marxists: The Ambiguous Legacy. Princeton: D.Van Nostrand, 1955.
Dyfyniad MLAHook, Sidney. Marx and the Marxists: The Ambiguous Legacy. D.Van Nostrand, 1955.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.