Tortora, Gerard J. <br/><br/>
Microbiology: an introduction / 
Tortora, Gerard J. 
 - 9th ed. 
 - New Delhi:  Pearson Education,  2009. 
 - xxvi, 958p.; 28cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9788131722329 
<br/><br/><label>Dewey Class. No.: </label>576 TOR