Goode, William J.  & Hatt, Paul K. <br/><br/>
Methods in Social Research 

 - McGraw - Hill, Auckland  1981 
 - v; 386 
<br/><br/><label>ISBN: </label>0-07-Y85260-X 
<br/><br/><label>Dewey Class. No.: </label>307 Goo/Hat