Bryman, Alan. <br/><br/>
Social Research Methods 

 - 2nd ed. 
 - New York:  Oxford Unoversity Press,  2004. 
 - xiv, 592 p. 
<br/><br/><label>ISBN: </label>0199264465 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences-Research methodology
<br/><br/><label>Dewey Class. No.: </label>300.72  / BRY