Warner, P. (2004). Sieges of the middle ages. Pen & Sword Military Classics.
Tohutoru Kātū Chicago (17th ed.)Warner, Philip. Sieges of the Middle Ages. South Yorkshire, England: Pen & Sword Military Classics, 2004.
Tohutoro MLA (9th ed.)Warner, Philip. Sieges of the Middle Ages. Pen & Sword Military Classics, 2004.
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