Samuelson, Paul A. <br/><br/>
Economics an introductory analysis /  

 - 7th edn /  
 - London :   McGraw-Hill Book company ,   1989 
 - 821p ;  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>X  / K7