Sudman, Seymour. <br/><br/>
Asking questions / 
Seymour Sudman, Norman M. Bradburn. 
 - 1st ed. 
 - San Francisco :  Jossey-Bass,  1982. 
 - xvi, 397 p. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0875895468 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research.<br/>Questionnaires.
<br/><br/><label>Dewey Class. No.: </label>300  / SUD