J.H.Burns. (1997). The Cambridge history of medieval political: Thought -c.350-c.1450. Univ. Pr.
Tohutoru Kātū Chicago (17th ed.)J.H.Burns. The Cambridge History of Medieval Political: Thought -c.350-c.1450. Cambridge: Univ. Pr, 1997.
Tohutoro MLA (9th ed.)J.H.Burns. The Cambridge History of Medieval Political: Thought -c.350-c.1450. Univ. Pr, 1997.
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