Barkley, Andrew. <br/><br/>
Principles of agricultural economics by  
Andrew Barkley and Paul W. Barkley 
 - 2nd ed., 
 - London  Routledge  2016 
 - 424 p. 
<br/><br/><label>ISBN: </label>9781138914100 
<br/><br/><label>Subjects--Topical Terms: </label><br/>United States<br/>Agriculture--Economic aspects<br/>Agriculture -- Economic aspects -- United States.
<br/><br/><label>Dewey Class. No.: </label>338.1 BAR-A