Ryan, W. J. L. <br/><br/>
Price theory / 
W. J. L. Ryan. 
 - London ;  New York :  Macmillan ;  St. Martin's Press,  1958.  [reprint 1965] 
 - 396 p.  illus.  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Prices.
<br/><br/><label>Dewey Class. No.: </label>338.52  / RYP 1965