Ritson, Christopher. <br/><br/>
Agricultural economics :  principles and policy / 
Christopher Ritson. 
 - New York :  St. Martin's Press,  1977. 
 - xiii, 409 p. :  graphs ;  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0312014600 :  $18.95 
<br/><br/><label>LCCN: </label>77073600 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Economic aspects.
<br/><br/><label>LC Class. No.: </label>HD1411  HD1415  / .R48 1977  / .R55 
<br/><br/><label>Dewey Class. No.: </label>338.1