Babbie, Earl <br/><br/>
The practice of social research / 
Earl Babbie 
 - 6th ed. 
 - Belmont, Calif. :  Wadsworth Pub. Co.,  1992 
 - 493 p. :  ill. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0534155766 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOCIAL SCIENCES--RESEARCH<br/>SOCIAL SCIENCES--METHODOLOGY
<br/><br/><label>LC Class. No.: </label>H62  / B322P 1992