Citace podle APA (7th ed.)

Barker, S. E. (1967). Greek political theory: Plato and his predecessors. Methuen.

Citace podle Chicago (17th ed.)

Barker, Sir Ernest. Greek Political Theory: Plato and His Predecessors. London: Methuen, 1967.

Citace podle MLA (9th ed.)

Barker, Sir Ernest. Greek Political Theory: Plato and His Predecessors. Methuen, 1967.

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