Kidder, Louise H. <br/><br/>
Research methods in social relations / 
by Louise H. Kidder. 
 - 4th ed. 
 - New York :  Holt, Rinehart and Winston,  c1981. 
 - xii, 483  p. :  ill. 
 - Selltiz, Wrightsman and Cook .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0030435668 
<br/><br/><label>LC Class. No.: </label>H62  / .K5