North, Mack O. <br/><br/>
Commercial chicken production manual / 
Mark O. North and Donald D. Bell 
 - 4th ed. 
 - New York :  An AVI Book,  1978 
 - 692 p. :  ill. ;  26 cm. 
<br/><br/><label>ISBN: </label>0442318822 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chickens