Dillman, Don A. <br/><br/>
Mail and telephone surveys :  the total design method. 

 - New York :  Wiley - Interscience,  1978. 
 - xvi, 325p. : ill. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0471215554 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social surveys.<br/>Questionnaires.<br/>Social surveys.