Foundation and Extension of the Persian Empire. Bury, J.B.; Cook, S.A.; Adcock, F.E. (编). The Cambridge Ancient History: IV. The Persian Empire and the West. Cambridge:
2007,第70–71頁. sfn error: no target: CITEREFHanson2007 (help) John M. Kistler. WarElephants. University of Nebraska Press. 2007. ISBN 978-0-8032-6004-7. Diodorus
various different methods in warfare, whether a warrior went to war in chariots, elephants, horses, or on foot. Foot methods were subdivided into armed combat