Holmes, G. A. (1962). The later Middle Ages, 1272-1485. T. Nelson.
Lua i Stíl Chicago (17ú heag.)Holmes, George Andrew. The Later Middle Ages, 1272-1485. Edinburgh: T. Nelson, 1962.
Lua MLA (9ú heag.)Holmes, George Andrew. The Later Middle Ages, 1272-1485. T. Nelson, 1962.
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