Hindley, G. (2009). Medieval sieges and siegecraft. Pen & Sword Military.
Cita Chicago Style (17a ed.)Hindley, Geoffrey. Medieval Sieges and Siegecraft. Barnsley (South Yorkshire): Pen & Sword Military, 2009.
Cita MLA (9a ed.)Hindley, Geoffrey. Medieval Sieges and Siegecraft. Pen & Sword Military, 2009.
Precaución: Estas citas no son 100% exactas.