Lua APA (7ú heag.)

Barker, S. E. (1959). The political thought of Plato and Aristotle. Dover Pub.

Lua i Stíl Chicago (17ú heag.)

Barker, Sir Ernest. The Political Thought of Plato and Aristotle. New York: Dover Pub, 1959.

Lua MLA (9ú heag.)

Barker, Sir Ernest. The Political Thought of Plato and Aristotle. Dover Pub, 1959.

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