Luttwak, Edward.
The grand strategy of the Byzantine Empire /
Edward N. Luttwak 
. - Cambridge : London : Belknap Press of Harvard University Press,  2009 
. - xi, 498 p.  25 cm. 
<br/>К.: Бібліогр. : c. 473-490, Index 
<br/><label>  ISBN: </label>978-0-674-03519-5