Shepherd William G <br/><br/>
The economıcs of ındustrıal organızatıon / 
William G. Shepherd. 
 - 2.ed 
 - USA:  Prentice-Hall,  1979. 
 - 420p.  25cm. 
<br/><br/><label>ISBN: </label>013231457601 
<br/><br/><label>LC Class. No.: </label>HD2326