Ryan, W. J. L. <br/><br/>
Price theory 
W. J. L. Ryan 
 - London  Macmillan  1961 
 - 396p. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>338.521  / R989