Powicke, John Colyer. <br/><br/>
Economic theory / 
John C. Powicke. 
 - London :  Edward Arnold,  1968. 
 - 312 p. :  ill. 
<br/><br/><label>ISBN: </label>0713115076 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.