Babbie, Earl R. <br/><br/>
The basics of social research / 
Earl Babbie. 
 - 2nd ed. 
 - Belmont, CA :  Wadsworth/Thomson Learning,  2002. 
 - xxiv, 461 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 451-460) and index. 
<br/><br/><label>ISBN: </label>0534519040 (pbk.)  RM281.20 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research.<br/>Social sciences--Methodology.