Ryan ,W.J.L <br/><br/>
Price theory 
by W.J.L.Ryan  
 - London  Macmillan  1958 (rpr 1969) 
 - ix,396p.;23cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>338.5  / RYA