Price theory :  selected readings / 
Edited by Harry Townsend 
 - Harmondsworth :  Penguin,  1971 
 - 488 p. :  ill. ;  18 cm. 
<br/><br/>Bibliography: p. 473-476. 
<br/><br/><label>ISBN: </label>0140802649 
<br/><br/><label>LCCN: </label>70-880591 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Prices