Scheaffer, Richard L. <br/><br/>
Elementary survey sampling / 
Richard L. Scheaffer, William Mendenhall, Lyman Ott 
 - 3rd ed. 
 - Boston  :  Duxbury Press,  1986 
 - 324 p. ;  23 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0871509431 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sampling (Statistics)