Neuman, William Lawrence. <br/><br/>
Social research methods :  qualitative and quantitative approaches / 
W. Lawrence Neuman. 
 - 4th ed. 
 - Boston :  Allyn and Bacon,  c2000. 
 - xiv, 558 p. :  ill. ;  25 cm. 
<br/><br/> Includes indexes. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0205297714 (cased) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociology--Research--Methodology.<br/>Social sciences--Research--Methodology.