Newman, Peter. <br/><br/>
The theory of exchange. 

 - Englewood Cliffs, N.J.  Prentice-Hall  1965 
 - xi, 201 p.  illus. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Exchange<br/>Supply and demand