Ritson, Christopher <br/><br/>
Agricultural Economics; principles and policy   

 - London  Crosby Lockwood  1977 
 - xiii, 409p., index. 
<br/><br/>  
<br/><br/><label>ISBN: </label>0258969385 
<br/><br/><label>Dewey Class. No.: </label>338.1  / R612.AE