Guidelines for drinking-water quality 

 - 4th ed. 
 - Geneva :  World Health Organization,  c2011 
 - xxiii, 541 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781780400303 1780400306 9789241548151 (pbk.) 9241548150 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drinking water--Standards--Handbooks, manuals, etc.<br/>Water quality--Standards--Handbooks, manuals, etc.<br/>Water--Microbiology--Handbooks, manuals, etc.