Ryan,W.J. L <br/><br/>
Price theory/ 
W.J.L Ryan 
 - London:  Mcmillan,  1965 
 - 396p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Price theory         Prices
<br/><br/><label>Dewey Class. No.: </label>338.82 RYP