Black, A. (1993). Political thought in Europe 1250-1450. Ir.
Tohutoru Kātū Chicago (17th ed.)Black, Antony. Political Thought in Europe 1250-1450. Cambridge Univ: Ir, 1993.
Tohutoro MLA (9th ed.)Black, Antony. Political Thought in Europe 1250-1450. Ir, 1993.
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