The three worlds of economics 
by Lloyd G. Reynolds.  
 - New Haven  Yale Univ. Press  1971.  
 - xiii, 344 s. 
 - Studies in comparative economics  12. .
<br/><br/><label>ISBN: </label>0300014813 (inb.) 0300014910 (hft.) 9780300014815 (inb.) 9780300014914 (hft.)