Pritsak, Omeljan  .
Old Scandinavian sources other then sagas /

. - Cambridge : Harvard University Press for the Harvard Ukrainian Research Institute,  1981 
. - XXX, 926 p.  24 сm. 
 - Harvard Ukrainian Research Institute monograph series .
<br/>К.: Бібліогр. : c. 725-835, Indices 
<br/><label>  ISBN: </label>0-674-64465-4