Babbie, Earl. <br/><br/>
The practice of social research / 
Earl Babbie 
 - 11th ed, student ed. 
 - Belmont, Calif. :  Wadsworth,  c2007. 
 - xxiv, 511, [54] p. :  ill. 
<br/><br/><label>ISBN: </label>9781133050094 1133050093 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research<br/>Social Sciences--Methodology
<br/><br/><label>LC Class. No.: </label>H62  / .B112 2013