The United States Pharmacopeia (2 suppliment):The national formulary 

 - United States  The United States Pharmacopial Convetion  2011 
 - 29th Edition 
<br/><br/><label>ISBN: </label>1889788920 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pharmacopeia <br/>Microbiological test
<br/><br/><label>LC Class. No.: </label>RS141.2  / .U9 2011