Burdon, Kenneth L. <br/><br/>
Microbiology / 
Kenneth L. Burdon, Robert O. Williams. 
 - 6th edition. 
 - Quezon City :  EDCA Publishing & Distributing Corporation,  1969. 
 - 818 pages :  illustrations ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9711055473