Metcalf, David <br/><br/>
The economics of agriculture / 
By David Metcalf 
 - Harmondsworth :  Penguin,  1969 
 - 144 p. :  ill. ;  18 cm. 
<br/><br/>Bibliography: p. 135-137 
<br/><br/><label>ISBN: </label>0140801316 
<br/><br/><label>LCCN: </label>78-497640 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Economic aspects