- ^ Lesley Adkins,Roy A.Adkins（1998）.Handbook to Life in Ancient Greece.Oxford University Press,USA.ISBN: 9780195124910.
- ^ Kirk, Raven, & Schofield, The Presocratic Philosophers (Cambridge, 1983, 2nd edition), p. 434. The alternative view, not accepted by many modern scholars, is that the Apollonia in question was the Cretan city that originally was Eleutherna.
- ^ Aristophanes. The Clouds, 264 if.