Fleiss,J.L, Levin,B,& Paik,M.C <br/><br/>
Statistical methods for rates and proportions 

 - Edition 3 
 -  John Wiley & Sons,Inc.  2003 
 - 760 pages 
<br/><br/><label>ISBN: </label>0-471-52629-0 
<br/><br/><label>Dewey Class. No.: </label>F519.5st