Grayson, Henry. <br/><br/>
Price Theory in a Changing Economy /  

 - 1st ed /  
 - New York :   Macmillan Company. 
 - p245 :  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Finance
<br/><br/><label>Dewey Class. No.: </label>X:76  / K5