Ryan, W. J. L. (William James Louden) <br/><br/>
Price theory / 
Ryan, W. J. L. (William James Louden) 
 - xvi, 399 p. : ill. ; 23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Prices.<br/>Prix.<br/>Prijstheorie.
<br/><br/><label>Dewey Class. No.: </label>338.521