Bryman, Alan. <br/><br/>
Social research methods / 
Alan Bryman. 
 - Oxford :  Oxford University Press,  2001. 
 - xiv, 540 p. :  ill. ;  26 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0198742045 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research.<br/>Social sciences--Methodology.