Cramer, Gail L. <br/><br/>
Agricutural economics and agribusiness / 
Gail L. Cramer, Clarence W. Jensen, Douglas D. Southgate 
 - 8 
 - New York :  John Wiley y Sons,  2001       
 - xx, 519 p. 
<br/><br/><label>ISBN: </label>0471388475 
<br/><br/><label>LC Class. No.: </label>HD 1415 C889a 2001