span> <span class="reference-text"><span class="citation book">Burn, Andrew R. (1984). <i>Persia and the Greeks: the defence of the West, c. 546-478 BC</i>. [London]: Duckworth. pp.&#160;123–126. <a href="//en.wikipedia.org/wiki/International_Standard_Book_Number" title="International Standard Book Number">ISBN</a>&#160;<a href="//en.wikipedia.org/wiki/Special:BookSources/0-7156-1765-6" title="Special:BookSources/0-7156-1765-6">0-7156-1765-6</a>.</span><span title="ctx_ver=Z39.88-2004&amp;rfr_id=info%3Asi