De Vaus, Davis. <br/><br/>
Surveys in Social Research. 

 - 5th ed. 
 - Australia  Tayolor  & Francis Group  2002 
 - XVI, 351p.  Paperback  25 cm 
<br/><br/><label>ISBN: </label>9780415268585 
<br/><br/><label>Dewey Class. No.: </label>300.723