Bryman, Alan <br/><br/>
Social research methods  /Alan Bryman 

 - 2nd ed. 
 - New York  Oxford University Press  2009 
 - xxi, 370 p. 
<br/><br/><label>ISBN: </label>9780195429862 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociology
<br/><br/><label>Dewey Class. No.: </label>Y 1929