Guthrie, W. (1971). History of Greek philosophy: The earlier Persocratics and the Pythagoreans. Cambridge University Press.
Dyfyniad Arddull ChicagoGuthrie, W.K.C. History of Greek Philosophy: The Earlier Persocratics and the Pythagoreans. Cambridge University Press, 1971.
Dyfyniad MLAGuthrie, W.K.C. History of Greek Philosophy: The Earlier Persocratics and the Pythagoreans. Cambridge University Press, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.