Hutchins, R. M. (1952). Great books of the Western World: Lucretius, Epitetus, Marcus, Aurelius. Encyclopaedia Britannica.
Dyfyniad Arddull ChicagoHutchins, Robert Maynard. Great Books of the Western World: Lucretius, Epitetus, Marcus, Aurelius. Chicago: Encyclopaedia Britannica, 1952.
Dyfyniad MLAHutchins, Robert Maynard. Great Books of the Western World: Lucretius, Epitetus, Marcus, Aurelius. Encyclopaedia Britannica, 1952.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.