Wonnacott, Paul. <br/><br/>
Macroeconomics /  

 - Fourth Ed. /  
 - New York :   John Wiley & Sons ,   1981 
 - p395 :  
<br/><br/><label>ISBN: </label>0-471-51738-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics 
<br/><br/><label>Dewey Class. No.: </label>X  / N0;1