Ryan, W.J.L. <br/><br/>
Price theory 
by W.J.L. Ryan 
 - New York  Macmillan & CO. Ltd.  1962 
 - 396p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>330  / RYA