Tham khảo Sokrates

Brun, Jean (1978 (sixth edition)). Socrate. Presses universitaires de France. tr. 39–40. ISBN 2-13-035620-6. Kiểm tra giá trị ngày tháng trong: |date= (trợ giúp) (French)
Coppens, Philip, "Socrates, that’s the question," Feature Articles - Biographies, PhilipCoppens.com.
May, Hope (2000). On Socrates. Belmont, CA: Wadsworth. ISBN 0534576044.
Ong, Walter (2002). Orality and Literacy. New York: Routledge. ISBN 0415281296.
Kagan, Donald. The Fall of the Athenian Empire. First. Ithaca, New York: Cornell University Press, 1987.
Pausanias, Description of Greece. W. H. S. Jones (translator). Loeb Classical Library. Cambridge, MA: Harvard University Press; London, William Heinemann Ltd. (1918). Vol. 1. Books I–II: ISBN 0-674-99104-4. Vol. 4. Books VIII.22–X: ISBN 0-674-99328-4.
Thucydides; The Peloponnesian War. London, J. M. Dent; New York, E. P. Dutton. 1910.
Vlastos, Gregory (1991). Socrates, Ironist and Moral Philosopher. Ithaca: Cornell University Press. ISBN 0801497876.

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