Riston, Christopher,  <br/><br/>
Agricultural economics :  principles and policy / 
Christopher Riston 
 - New Zealand :  Granada Publishing Limited,  1977 
 - x, 409 pages :  illustrations ;  23 cm 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0258971193 (paperback) 0258969385 (hardback) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture -- Economic aspects.
<br/><br/><label>LC Class. No.: </label>HD1411 R5 R57