Cohen, Jack. <br/><br/>
Karl Mark: Pre-Capitalist Economic Formations /  
edited by E.J. Hobsbawm. 
 - Fifth Printing /  
 - New York :   International Publishers ,   1996 
 - p.148 :  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>XM2  / K5