Penson, John B <br/><br/>
Introduction to agricultural economics 
/ by John B. Penson et. al. 
 - N.J.:  Prentice Hall, Upper Saddle River,  1996. 
 - xviii, 525p. 
<br/><br/><label>ISBN: </label>013102468X 
<br/><br/><label>Dewey Class. No.: </label>338.1  / PEN/I