Robertson, P. (2016). Iron Age hillfort defences and the tactics of sling warfare. Oxford: Archaeopress.
استشهاد بنمط شيكاغوRobertson, Peter. Iron Age Hillfort Defences and the Tactics of Sling Warfare. Oxford: Archaeopress, 2016.
MLA استشهادRobertson, Peter. Iron Age Hillfort Defences and the Tactics of Sling Warfare. Oxford: Archaeopress, 2016.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.