McHenry, R. (1990). Great books of the Western World. Chicago, Illinois: Encyclopaedia Britannica.
Dyfyniad Arddull ChicagoMcHenry, Robert. Great Books of the Western World. Chicago, Illinois: Encyclopaedia Britannica, 1990.
Dyfyniad MLAMcHenry, Robert. Great Books of the Western World. Chicago, Illinois: Encyclopaedia Britannica, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.